The Impossibility of a True Selfless Friendship as seen...

Selfless friendships do not exist, the only friendships that will last contently, and without resentment must benefit both parties in some way. If the relationship is parasitic, and only one person involved is benefitting, then eventually there will be resentment and one or both persons involved will opt to end the friendship. In Shakespeares Timon of Athens, this is most notably seen in the character of Timons, who gives all of his friends gifts and holds feasts for them, but recieves nothing in return when he needs it the most. Eventually, Timon realized his friends were false and lost hope in all mankind, when he was once a very generous, selfless friend. In the same respect, if no one is recieving anything from the friendship, the†¦show more content†¦However, Timons selfless nature reveals that this was never his intention, and he gave it freely ever, and theres none Can truly say he gives if he receives (lines 10, 11, 190). This proves Timons selfless nature in regards to his friends at the beginning of the play, which will be his downfall. The most notable example of Timons selflessness versus the selfishness of his friends, is the first feast in the play he holds for them. At this feast, Timon shares his wealth with his friends, he graciously gives them jewels (line 172, 203), and asks them to advance this jewel. Accept it and wear it, (line 169, 203). Timon does all of this, but does not know his purse (line 194, 204). Soon Timons steward informs him that he has reached a financial crisis, due to the magnitude of the gifts he graciously bestowed unto his friends. Timon, however, is not worried and assures his steward that, in some sort of these wants of mine are crowned That I account them blessings, for by these Shall I try friends. You shall perceive how you Mistake my fortunes. I am wealthy in my friends. (lines 176-179, 222). Timon requests that his servants ask his friends for a small loan, that will help Timon out of his debt. However, each friend asked, Lucullus, Lucius, Sempronius, and even Ventidius, whom Timon bailed

the Course of True Love Never Did Run Smooth Discuss

‘The course of true love never did run smooth’ Discuss Sorrel Nation Within the play, ‘A Midsummer Nights Dream’, the importance of courtship and marriage is indicated, as is that of love and marriage. One of the ideas in the play is that there is a significant difference between ‘doting’ and ‘loving’, something like the distinction between fancying someone and loving them. The play also presents love as a kind of madness and way of looking at someone and admiring them as if they where magic. Love is often presented as a good thing, yet in the play ‘love and reason keep little company together’. The variety of relationships provides parallels and†¦show more content†¦Another example of their love not going to plan and not running smooth is what we would portray as ‘Fake love’. This is shown between Titania and Bottom, when Oberon gives Titania a magical love potion which will make her fall in love with the next person she sees, and in this case is the transformed version on Bott om, when he has acquired an ass’ head. ‘On the first view to say, To swear, I love thee’, showing how quickly she has fallen in love with him, but because she does not actually feel this way, it is a demonstration of ‘Fake love’. This also occurs for the four lovers when Lysander and Demetrius have had the juice in their eye and both lovers now fight over Helena, instead of Hermia. Helena is convinced that her two suitors are mocking her as neither loved her originally. ‘I pray you, though you mock me gentlemen’. The course of love taken here shows how it was mislead and went wrong, and demonstrates how love does not run at all ‘smooth’ within the play. Sorrel Nation Toward the end of the play, when the four lovers are at each others throats with Lysander and Demetrius trying to kill each other and Helena and Hermia quarrelling. The relationships of the lovers are punctuated by moments of confusion ‘I am amazed and know not what to say’, also moments of mockery ‘they haveShow MoreRelated The Nature of Love Explored in A Midsummer Nights Dream1563 Words   |  7 Pages â€Å"The course of true love never did run smooth,† comments Lysander of love’s complications in an exchange with Hermia (Shakespeare I.i.136). Although the play A Midsummer Night’s Dream certainly deals with the difficulty of romance, it is not considered a true love story like Romeo and Juliet. Shakespeare, as he unfolds the story, intentionally distances the audience from the emotions of the characters so he can caricature the anguish and burdens endured by the lovers. 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The Effect of Conflict Towards Performance Free Essays

string(256) " Management Models Blake and Mouton \(1964\) were among the first to present a conceptual scheme for classifying the modes \(styles\) for handling interpersonal conflicts into five types: forcing, withdrawing, smoothing, compromising, and problem solving\." INTRODUCTION Businesses nowadays are operating in a turbulent environment where organisations are searching for measures that will allow them to improve their performance and competitiveness (Dodd, 2003). Conflict is generally regarded as disagreement regarding interests or ideas (Esquivel and Kleiner, 1997). In addition organisational conflict is regarded as the discord that occurs when the goals, interests or values of different individuals or groups are incompatible with those of individuals or groups block or frustrate each others in an attempt to achieve their objectives. We will write a custom essay sample on The Effect of Conflict Towards Performance or any similar topic only for you Order Now Conflict are inevitable part of organisational life since the goals of different stakeholders such as managers and staff are often incompatible (Jones  et al. , 2000). Besides that,  Loomis and Loomis (1965)  argue that Conflict is an ever-present process in human relations. That is why various organisations have changed their approaches to enable them to manage their organisations effectively to avoid conflicts at all costs. Conflict is a fact of life in any organisations as longer as people compete for jobs, resources, power, recognition and security. In addition, dealing with conflicts is a great challenge to management (Adomi and Anie, 2005). Conflicts commonly arise when employees interact in organisations and compete for scarce resources. Employees in various organisations are organized into manageable groups in order to achieve common goal, therefore, the probability of conflicts to arise is very high. Nowadays, most serious conflicts make headlines in the newspapers, which might affect the public image of the company. Conflicts have both negative and positive outcomes to the individual employees and the organization at large. There is no one source of conflicts which occurs in organisations at all levels of management (Barker  et al. , 1987). In social life, conflicts do occur but they are managed by family members, friends and relatives. The same case applies to organisations, when conflicts arise; it needs to be resolved by management for the sake of the organisational growth, survival and enhance performance. However, conflicts are rarely resolved easily, to a certain extend most conflicts are managed, as individuals work out differences (Barker  et al. , 1987). Conflict can occur within groups (intra-group conflict) or among groups (inter-group conflict). Therefore, the main aim of this study is to examine the effects of organizational conflicts towards organizational performance. It specifically tries to examine in detail, the causes, types, effects and recommend various strategies on how to resolve organizational conflicts to enhance organizational performance. WHAT IS ORGANIZATIONAL CONFLICT? ‘A condition between or among workers whose jobs are interdependent, who feel angry, who perceive the other(s) as being at fault, and who act in ways that cause a business problem. (Dana, D. 2001) Interdependency – each party needs something from the other and are vulnerable if they don’t get it Feeling Angry – people are emotionally upset – anger is not always visible – some people will hide their anger with a veneer of politeness – however, Dana suggests that the emotion we all know as anger is alway s present when there is a conflict. Blaming Each Other – each party sees the other as being at fault often moving from the immediate workplace issue into personal issues Causing a Business Problem – How is the conflict impacting on job performance? if it is not then it does not fall within the definition of workplace conflict. This definition includes emotions, thoughts and behaviors – psychologists consider these three the only dimensions of human experience. So conflict is rooted in all parts of our human experience. Factors of conflict in organization 1. Managerial Expectations – it is job of an employee to meet the expectations of his manager, but if those expectations is misunderstood, conflict can arise. 2. Breakdown in Communication If a department requires information from another department in order to its job, and the second department does not respond to the request this is will lead to conflict to arise. 3. Misunderstanding the information Int ernal conflict can sometimes arise as the result of a simple misunderstanding. One person may misunderstand information, and that can trigger a series of conflict. 4. Lack of accountability Organization conflict might arise from frustration. One source of frustration is a lack of accountability. If something has gone wrong, and no one is willing to take responsibility for the problem, this lack of accountability can start to permeate throughout the entire company until the issue is resolved. Factors of conflict in employee 1. Differing values Some employees have strong beliefs, which they are not willing to compromise. These beliefs can conflict with coworkers’, creating conflict. 2. Opposing interest When an employee decides to pursue her own career goal, without regard for the organizational goal and its well- being, it result in strife among coworkers. 3. Personality Conflicts One employee may have a reserved a personality while another may be more outgoing and forward. Problem arises when the two do not understand or respect each others’ inner nature. 4. Personal problems If the employee has problems outside the workplace, such as marital or parental issues, she may take them to work with her. Positive And Negative Effects Of Conflict It is often assumed that all conflict is bad for the organisation, however if managed effectively, conflict can bring benefits: Potential Positive Effects * Better ideas produced * People forced to search for new approaches Long standing problems brought to the surface and resolved * Clarification of individual views * Stimulation of interest and creativity * A chance for people to test their capacities Potential Negative Effects * Some people feel defeated and demeaned * The distance between people increased * A climate of mistrust and suspicion developed * Individuals and groups concentrate on their own narrow inter ests * Resistance developed rather than teamwork * An increase in employee turnover Models Of Conflict Management There have been many styles of conflict management behavior that have been researched in the past century. One of the earliest,  Mary Parker Follett  (1926/1940) found that conflict was managed by individuals in three main ways: domination,  compromise, and integration. She also found other ways of handling conflict that were employed by organizations, such as  avoidance  and suppression. Early Conflict Management Models Blake and Mouton (1964) were among the first to present a conceptual scheme for classifying the modes (styles) for handling interpersonal conflicts into five types: forcing, withdrawing, smoothing, compromising, and problem solving. You read "The Effect of Conflict Towards Performance" in category "Papers" In the 1970’s and 1980’s, researchers began using the intentions of the parties involved to classify the styles of conflict management that they would include in their models. Both Thomas (1976) and Pruitt (1983) put forth a model based on the concerns of the parties involved in the conflict. The combination of the parties concern for their own interests (i. e. assertiveness) and their concern for the interests of those across the table (i. e. cooperativeness) would yield a particular conflict management style. Pruitt called these styles yielding (low assertiveness/high cooperativeness), problem solving (high assertiveness/high cooperativeness), inaction (low assertiveness/low cooperativeness), and contending (high assertiveness/low cooperativeness). Pruitt argues that problem-solving is the preferred method when seeking mutually beneficial options. Khun and Poole’s Model Khun and Poole (2000) established a similar system of group conflict management. In their system, they split Kozan’s confrontational model into two sub models: distributive and integrative. Distributive – Here conflict is approached as a distribution of a fixed amount of positive outcomes or resources, where one side will end up winning and the other losing, even if they do win some concessions. * Integrative – Groups utilizing the integrative model see conflict as a chance to integrate the needs and concerns of both groups and make the best outcome possible. This model has a heavier emphasis on compromise than the distributive model. Khun and Poole found that the integrative model resulted in consistently better task related outcomes than those using the distributive model. DeChurch and Marks’s Meta-Taxonomy Model DeChurch and Marks (2001) examined the literature available on conflict management at the time and established what they claimed was a â€Å"meta-taxonomy† that encompasses all other models. They argued that all other styles have inherent in them into two dimensions – activeness (â€Å"the extent to which conflict behaviors make a responsive and direct rather than inert and indirect impression†) and agreeableness (â€Å"the extent to which conflict behaviors make a pleasant and relaxed rather than unpleasant and strainful impression†). High activeness is characterized by openly discussing differences of opinion while fully going after their own interest. High agreeableness is characterized by attempting to satisfy all parties involved In the study they conducted to validate this division, activeness did not have a significant effect on the effectiveness of  conflict resolution, but the  agreeableness  of the conflict management style, whatever it was, did in fact have a positive impact on how groups felt about the way the conflict was managed, regardless of the outcome. CONFLICT CONTROL STRATEGY| POSSIBLE ACTIONS| EXAMPLES| Avoidance| Avoid situations where conflict occurs; reduce triggering events; cooling off periods| Reduce contact between the parties; set up system for dealing with conflict subjects; adjourn meetings| Alteration| Change the form or place of the conflict| Agree not to argue in front of others, or to criticise each other without making a positive suggestion; meet before conflict situations to resolve problems| Feedback| Help parties to understand how others are affected| Other people are upset; team s losing resources or cooperation from others; loss of dignity| Help With Consequences| Provide support, more rest, more thinking time| Neutral person to listen to stressed people; time off; more social events; encourage getting away from the office at lunch time; discourage overwork| Suggestions To Overcome Conflict Management. There are many ways to overcome this problem. Here are some suggestions and tips to manage and cope with the conflict managem ent towards organization. * Build a certain and good communication. * As we know communication is a process of interact between one person to another. Communication is a tool to convey a message. A good communication can avoid misunderstanding and uncertain information and can directly solve any problem wisely. All person in any organization must know how to build a good communication and know how to react with any problem to a void conflict. If there is something that they might in argue or disagree they have to sit together and come out with a best solution that everyone satisfied. * Don’t ignore conflict. * Conflict in organization can lead a positive outcomes too. Each person in any organization must take a fairly solution and never avoid and ignore the conflict. It is very essential because it can avoid the problem become twice and become bigger and bigger. Conflict might happen in any organization because each person have a different opinion, goals, value and belief. So, everyone must support and help each other to cope the conflict in order to achieve a common goal in the organization. * Have an own conflict management skills. * Skills such us know how negotiate and know how to minimized anger can help and enhance the effectiveness of good working environment. This will make everyone in the organization can achieve a joyful in a workplace. The way everyone carry themselves in the work place can avoid a conflict and misunderstanding between each other. Everyone in any organization must have their own conflict management skills so that every single problem can be solve and minimized easily. Four ways towards organizational performance 1. PM focuses on results, rather than behaviors and activities A common misconception among supervisors is that behaviors and activities are the same as results. Thus, an employee may appear extremely busy, but not be contributing at all toward the goals of the organization. An example is the employee who manually reviews completion of every form and procedure, rather than supporting automation of the review. The supervisor may conclude the employee is very committed to the organization and works very hard, thus, deserving a very high performance rating. 2. Aligns organizational activities and processes to the goals of the organization PM identifies organizational goals, results needed to achieve those goals, measures of effectiveness or efficiency (outcomes) toward the goals, and means (drivers) to achieve the goals. This chain of measurements is examined to ensure alignment with overall results of the organization. 3. Cultivates a system-wide, long-term view of the organization. Richard A. Swanson, in  Performance Improvement Theory and Practice  (Advances in Developing Human Resources, 1, 1999), explains an effective performance improvement process must follow a systems-based approach while looking at outcomes and drivers. Otherwise, the effort produces a flawed picture. For example, laying off people will likely produce short-term profits. However, the organization may eventually experience reduced productivity, resulting in long-term profit loss. 4. Produces meaningful measurements These measurements have a wide variety of useful applications. They are useful in benchmarking, or setting standards for comparison with best practices in other organizations. They provide consistent basis for comparison during internal change efforts. They indicate results during improvement efforts, such as employee training, management development, quality programs, etc. They help ensure equitable and fair treatment to employees based on performance. How to cite The Effect of Conflict Towards Performance, Papers

Inspiration free essay sample

There are three ways to attack the flame of conflict: fleeing from the heat, waiting for the fire to cool, or personally extinguishing it. I got the nauseous twinge in my abdomen at the sound and sight of â€Å"W Farms Square East Tremont Ave (2) (5) Line†. Situated betwixt â€Å"E 180 St.† and â€Å"E 174 St.†, this train station was my point of departure for two directions, downtown toward the eloquent city of Manhattan or uptown toward the appalling charlatanic arms of my school. Each demoralizing school day began with my lifeless crawl on the stairway to this overhead train. Today was no different; I awaited the train’s arrival as the familiar pessimistic conversation with my mind had begun. Here in this inner chamber optimistic thoughts were infected, negative thoughts were rapidly spread, and my subconscious was immune to the outside world and its antigens. The sun had a gloss on the track I thought; the track laid there in comfort preparing for another train to surge through its politeness, as if it had accepted its fate. Watching someone so helpless was overwhelming and eye-opening. Sadly, there was nothing I could do but keep him company. Towards the end of his life, nurses came daily to his house to help my grandma take care of him. She was taught how to insert a feeding tube; he couldn’t eat or swallow anymore. She was taught how to hook the tubes up to the oxygen tanks; he couldn’t breathe anymore. She had to learn how to communicate with him; he couldn’t remember anymore. Seeing how much comfort nurses brought and how helpful they were inspired me to want to be a nurse. Sacrificing holidays, birthdays, and free days for people who need help is the best gift. As a nurse, there are going to be days when I’m struggling, but just like I did on the English exam, I will push through and not let it get the best of me.

Web DuBois Essays - , Term Papers, Research Papers

Web DuBois Web Du Bois was born a free man in his small village of Great Barington, Massachusetts, three years after the Civil War. For generations, the Du Bois family had been an accepted part of the community since before his great-grandfather had fought in the American Revolution. Early on, Du Bois was given an awareness of his African-heritage, through the ancient songs his grandmother taught him. This awareness set him apart from his New England community, with an ancestry shrouded in mystery, in sharp contrast to the precisely accounted history of the Western world. This difference would be the foundation for his desire to change the way African-Americans co-existed in America. As a student, Du Bois was considered something of a prodigy who excelled beyond the capabilities of his white peers. He found work as a correspondent for New York newspapers, and slowly began to realize the inhibitions of social boundaries he was expected to observe every step of the way. When racism tried to take his pride and dignity, he became more determined to make sure society recognized his achievements. Clearly, Du Bois showed great promise, and some influential members of his community. Although Du Bois dreamt of attending Harvard, these influential individuals arranged for his education at Fisk University in Nashville. His experiences at Fisk changed his life, and he discovered his fate as a leader of the black struggle to free his people from oppression. At Fisk, Du Bois became acquainted with many sons and daughters of former slaves, who felt the pain of oppression and shared his sense of cultural and spiritual tradition. In the South, he saw his people being driven to a status of little difference from slavery, and saw them terrorized at the polls. He taught school during the summers in the eastern portion of Tennessee, and saw the suffering firsthand. He then resolved to dedicate his life to fighting the terrible racial oppression that held the black people down, both economically and politically. Du Bois's determination was rewarded with a scholarship to Harvard, where he began the first scientific sociological studies in the United States. He felt that through science, he could dispel the irrational prejudices and ignorance that prevented racial equality. He went on to create great advancements in the study of race relations, but oppression continued with segregation laws, lynching, and terror tactics on the rise. Du Bois then formed the Niagara Movement, and in 1909, was a vital part in establishing the National Association for the Advancement of Colored People. He was also the editor of the NAACP magazine The Crisis from 1910 to 1934. In this stage of his life, he encouraged direct assaults on the legal, political, and economic system, which he felt blossomed out of the exploitation of the poor and powerless black community. He became the most important black protest leader of the first half of the 20th century. His views clashed with Booker T. Washington, who felt that the black people of America had to simply accept discrimination, and hope to eventually earn respect and equality through hard work and success. Du Bois wrote The Souls of Black Folk in 1903, criticizing Booker, claiming that his ideas would lead to a perpetuation of oppression instead of freeing the black people from it. Du Bois criticism lead to a branching out of the black civil rights movement, Booker's conservative followers, and a radical following of his critics. Du Bois had established the Black Nationalism that was the inspiration for all black empowerment throughout the civil rights movement, but had begun during the progressive era. Although the movement that germinated from his ideas may have taken on a more violent form, WEB Du Bois felt strongly that every human being could shape their own destinies with determination and hard work. He inspired hope by declaring that progress would come with the success of the small struggles for a better life.

Organisational Behaviour Report Essay Example

Organisational Behaviour Report Essay Example Organisational Behaviour Report Essay Organisational Behaviour Report Essay Conflict is non confined at the single degree entirely but is attesting itself more and more in organisations. Employees have become more blatant in their demands for a better trade. Assorted sections in an organisation face a state of affairs full of struggles due to a figure of grounds like end diverseness. scarceness of resources or undertaking mutuality etc. Conflict Dysfunctional Conflict can take an interpersonal signifier. Conflict between persons takes topographic point owing to several factors. but most common are personal disfavors or personality differences. When there are merely differences of sentiment between persons about task-related affairs. it can be construed as proficient struggle instead than interpersonal struggle. Technical and interpersonal struggles may act upon each other due to role-related force per unit areas. One may set the incrimination for low gross revenues volume on the production director non run intoing his production agenda and may get down disliking the production director as an unqualified individual. It is frequently really hard to set up whether a struggle between two parties is due to manifest rational factors. or it emanates from concealed personal factors. Conflict Functional These types of intragroup struggles arise often due to an individual’s inability to conform to the group norms. Most groups have an thought of a fair day’s work and may supercharge an person if he exceeds or falls short of the group’s productiveness norms. If the single resents any such force per unit area or penalty. he could come into struggle with other group members. Normally. it is really hard for an person to stay a group-member and at the same clip. well deviate from the group norm. So. in most instances. either he conforms to the group norm or is rejected by the group. Of class. before taking any such utmost measure. he or the other group members try to act upon each other through several mechanisms taking to different episodes of struggle. Analysis A batch of struggle is generated within organisations because assorted groups within the organisation clasp conflicting’ values and perceive state of affairss in a narrow. individualistic mode. An illustration that comes readily to mind is that of the managment-labour struggle. Labor feels that direction is working it because in malice of doing a net income. direction does nil for the economic public assistance of labour. On the other manus. direction feels that the net incomes should travel to hard currency militias so as to do the company an attractive proposition for investors. Another illustration is the struggle between technology and fabrication. Engineering lays emphasis on technological edification and preciseness and is accused by fabricating of planing merchandises that will last for many old ages but that the clients can non afford. It is maintained that since an organisation is composed of single and they had different perceptual experiences of ends and dithering values. struggle is bound to originate in the organisation. Directors of assorted sections have separate precedences and conflicting thoughts about resource allotment. Hence struggle is the ineluctable result. Subordinates may collide with the director over whether the work can be accomplished in the given period of clip or non. They might even reason with subsidiaries at their ain degree over the best possible manner to make a given occupation. Thus struggle is an ineluctable result but at the same clip it is assumed that struggle need non ever be damaging. Under some fortunes it could concentrate on jobs and incite a hunt for better and more advanced solutions to jobs. Though struggle can take to more creativeness in job resolution and be good to organisation under certain conditions. yet it is perceived that struggle as harmful- something to be resolved once it originate. The positions about human nature are that people are basically good ; trust. cooperation and goodness are given in human nature. Consequently. the major ancestor conditions which induce aggressiveness and struggle in people are the defective policies and construction ensuing in deformation and dislocation in communicating. Therefore the manager’s function in deciding struggle is to reconstruct apprehension. trust and openness between parties. It is non easy to construct a strong corporate civilization in any organisation. A strong civilization is based on strong moralss. This is really of import for the success of the organisation in the long-run. It is really easy to follow short-cut methods to make the top but the ruin besides comes at the same rate. Ethical motives guarantee that the organisation does non follow short-cut methods to accomplish success ; alternatively it stresses on the construct of sustained success. Every organisation has its ain codification of moralss and criterions in a written signifier. The codification of moralss usually contains the undermentioned points: Honesty Fairness in patterns of the company- Disclosing the inside information ; Acquiring and utilizing outside information- Disclosure of outside activities by the employer to the employee ; Each organisation has its ain set of codification of moralss. Making dialogues has been identified as one of the primary duties of any director. Negotiations may affect apportioning resources. puting capital or presenting new merchandises. If resources like work forces. money. machines. stuffs. clip and infinite were abundant. clearly any planning would be unneeded. But. typically. resources are scarce and so there is a demand for be aftering. Negotiation devising is at the nucleus of all planned activities. We can ill afford to blow scarce resources by doing excessively many incorrect dialogues or by staying indecisive for excessively long a clip. Negotiation doing under hazard: A dialogue is made under conditions of hazard when a individual action may ensue in more than one possible result. but the comparative chance of each result is known. Negotiations under conditions of hazard are possibly the most common. In such state of affairss. options are recognized. but their resulting effects are probabilistic and dubious. While the options are clear. the effect is probabilistic and dubious. Therefore. a status of hazard may be said to be. In pattern. directors assess the likeliness of assorted results happening based on past experience. research. and other information. A quality control inspector. for illustration. might find the chance of figure of rejects’ per production tally. Similarly. a safety applied scientist might find the chance of figure of accidents happening. or a forces director might find the chance of a certain turnover or absenteeism rate. Negotiation doing under uncertainness: A dialogue is made under conditions of uncertainness when a individual action may ensue in more than one possible result but the comparative chance of each result is unknown. Negotiations under conditions of uncertainness are unimpeachably the most hard. In such state of affairss a director has no cognition whatsoever on which to gauge the likely happening of assorted options. Negotiations under uncertainness by and large occur in instances where no historical informations are available from which to deduce chances or in cases which are so fresh and complex that it is impossible to do comparative judgements. Negotiations under complete uncertainness are as hard to mention as illustration of determinations under absolute certainty. Given even limited experience and the ability to generalise from past state of affairss. most directors should be able to do at least some estimation of the chance of happening of assorted result. However. there are doubtless times when directors feel they are covering with complete uncertainness. The figure of factors to be considered and the big figure of unmanageable variables vital to the success of such a venture can be mind-boggling On a personal degree. the choice of a occupation from among options is a calling determination that incorporates a great trade of uncertainness. The figure of factors to be weighed and evaluated. frequently without comparable criterions. can be overpowering.

Managing in HR Essay Example | Topics and Well Written Essays - 2000 words

Managing in HR - Essay Example Training is the second most significant element of human resource at Starbucks' that provides the company with a competitive advantage in the retail business. The company has a team of experts for the training sessions, whose main job is to nurture the business and improve the customer service by providing the employees with the knowledge and skills they would need at the job for performing it effectively. Raymond, A.Noe (1999, pp.3-4) suggests that, 'The goal of training is for employees to master the knowledge, skill and behaviors emphasized in training program and to apply them to their day-to-day activities.' The company trains the new employees from so many different aspects but the most important amongst them are the three basic interpersonal skills which involve maintaining and enhancing self-esteem, listen and acknowledge and ask for help. Armstrong (1992) views that, 'HRD as focused training and development for all employees which responds to individual and organizational re quirements by improving performance and understanding.' The managers and other non-frontline employees are trained for a longer period with different type because effective leadership is quite critical for building good quality teams and stronger organization. 'Effective managers not only perform the basic management functions (planning, organizing, leading and controlling), but also good communicators help employees development and work collaboratively with employees.' Raymond, A.Noe (1999, p.10). John Adair presented the functional model of leadership, which has three areas, where leadership function occurs, those areas are: task, team and individual. Generally, leadership skills are mostly used in these areas In most organizations, the formal leader meets some of the needs in these three areas.Another strong element of Starbucks, which makes the company outstands in the market of retail business, is the benefit

What is Technology, Green Architecture and Green Electricity Essay - 1

What is Technology, Green Architecture and Green Electricity - Essay Example The whole is undoubtedly a vital components for organization as it upholds security, embeds flexibility and allows corporations to implement a modern IT system. The problem that majority companies faced with the traditional IT infrastructure consists of several problems. One of the critical problems is the fact that it takes high energy costs. In addition, the traditional mainframe networks take too much space. Furthermore, the heat that is generated through these servers must be cooled. In fact, recent studies have found that organizations achieved on average an 18% reduction in their budget from green computing and a 16% reduction in data costs. Hence, green technology should be embraced by organizations because it is cost-effective, flexible, and provides safe process of security protocols. As society progressed to 21st century, the criteria of defining and creating a feasible IT infrastructure continue to be a huge focal point for many companies. As mentioned above, many servers tend to create a huge problem with the traditional IT infrastructure. The problem with this idea is the fact that 90% of the time servers are not fully utilized. In order to combat this huge problem, the IT department attempts to install more applications. However, that is only a â€Å"band-aid† approach to a long-term problem. The result often times is the fact that that this solution is ineffective and unreliable. As the accumulation of factors such as: high energy costs, space issues, and generating heat become a huge issue, companies must seek a new and better solution that is available. Hence, Green technology is a cost-effective solution because it is a revolutionary. Green architecture is highly crucial in 21st century because it allows architectures to create solid foundation of building at a micro level. The concept of nanotechnology has became a crucial aspect for creating architecture since it is a

Protection of children.A critical analysis of violence upon film Essay

Protection of children.A critical analysis of violence upon film - Essay Example The investigation also disclosed that she was forced to sleep in the bin liner in the bath. And yet, it is also the story of institutions that have failed our children, a bureaucracy that has neglected the most vulnerable members of our society, and individual officials whose individual omissions have resulted in collective negligence. In the hearings subsequent to the death of Victoria Climbie, it was discovered that she was seen by dozens of social workers, medical practitioners and police officers but all of them failed to either detect signs of abuse or failed to act on them until it was too late. The inquiry revealed that there were as many as 12 opportunities were the authorities could have intervened, but failed to. Though Victoria’s abusers were eventually sent to jail and sentenced to life imprisonment, the hard questions still remain. How could this kind of abuse – so horrible and grotesque – to a child of tender years have gone undetected? Is the system so decrepit, so shot full of holes that despite many warning signs and many opportunities to save Victoria’s life, she still ended up battered and dead, with 128 injuries on her frail body? And perhaps the most troubling question of all: could this happen again? Dare we allow this to happen again? Indeed, child abuse is an issue of grave importance, and maltreatment, something more complex than we think1. It has long been established that children’s rights are human rights and that it is the duty of every state to act in the best interests of the child and to provide a safe environment conducive to his development. Under the 1959 UN Declaration on the Rights of the Child, humankind should â€Å"guarantee the human rights of children is to invest in the future. Childrens rights are the building blocks for a solid human rights culture, the basis for securing human rights for future generations†. As human beings children should have more right and their rights are in fact

The Unjust War In Iraq Politics Essay

The Unjust War In Iraq Politics Essay Peaceful efforts to disarm the Iraqi regime have failed again and again-because we are not dealing with peaceful men, stated the President of the United States of America, George W. Bush, as he declared war to Iraq. The Iraq War was labeled as a preventive war, aimed at removing the threat before it could arise and by the criterion of the just war theory this type of war is often considered morally dubious. Through close scrutiny of Bushs arguments, we find that the invasion of Iraq was unjustified because insufficient reasoning was advanced for the proposition that the war was just. The just war theory sets a series of very specific conditions to be cleared by proponents of war, and in this case they failed. Therefore, on the grounds of insufficient reason, the Iraq War is unjust. In order to properly make this claim it is necessary to analyze President George W. Bushs argument, focusing on the components of the jus ad bellum criteria from the just war theory. The arguments stated b y President Bush on March 17, 2003 as valid for declaring war did not fulfill all the criteria necessary, such as: just cause and right intention, to place the second Iraq war as permissible; rather it can be claimed unnecessary. Just war theory has set the guideline for evaluating war in a moral spectrum (Miller, 1). The just war tradition presents a series of justifications that must be valid in order to reach a prudentially defensible decision about whether to go to war or not. Just war theory states that a nation may engage in warfare only for the purpose of self defense and only when all other means to solve the conflict have been exhausted (Coates, 98). First, in order for the Iraq War to be permissible, it should have had valid arguments for the Jus ad Bellum criteria. The Jus ad Bellum criterias intention is to question the permissibility of war, meaning when and under what circumstances may a state may engage in war and when, if ever, is it morally justified (Miller, 1). Under the Jus ad Bellum criteria there are several decisive factors that must be met in order to be justified. President Bush fails to meet all of these criteria and engaged in a war that was not morally permissible. Obviously the most crucial matter is determining the reasons why to engage in war, to abide by the regulations of the just cause criterion, which clearly states that force may only be used when there has been an aggression against a states sovereignty or human rights (Miller, 2). George W. Bush has said that the Iraq War can be justified by this criterion, because force can be used in self-defense or to pre-empt an imminent attack. The rationale behind of Bushs argument was that Saddam Hussein had possession of weapons of mass destruction (WMDs) and had a supposed relation to the terrorist group Al-Qaeda. As he made clear with his declarations The danger is clear: using chemical, biological or, one day, nuclear weapons, obtained with the help of Iraq, the terrorist could fulfill their stated ambitions and kill thousands or hundreds of thousands of innocent people in our country. If these accusations were true, then it would be valid as far as just cause, because indeed they would be engaging in preemptive war insofar as there is an imminent threat. This is the basis for the Bush Doctrine dictates in a war where there are weapons of mass destruction, the threat is always imminent, which is the basis for the previously mentioned argument. The idea that because the stakes are too high there was a moral obligation to act first and not wait for a strike was also one of the ideas used to justify the need for war. However, over the course of six years, American troops continue to sacrifice their lives and not one weapons of mass destruction has been unearthed and few ties to Al-Qaeda have been discovered.    In light of these facts, it is easy to understand why the majority of the American population considers the War in Iraq a disastrous blunder and a failure to in fact comply with the regulations of just cause. Moreover, if an argument can be that we have to strike first against anything that might appear as a threat, then we would be constantly attacking other co untries because they disagree with the United States policies. No war is totally predicable. Therefore, President Bush failed to give a valid reason to fulfill the just cause condition. In another light, it might be arguable that there was right intention behind the war in Iraq. President Bush feverishly argued in his speech that the intention to disarm Iraq was solely to protect people from the war on terror and a tyrant leader. We will tear down the apparatus of terror and we will help you to build a new Iraq that is prosperous and freeà ¢Ã¢â€š ¬Ã‚ ¦.the tyrant will soon be gone, if this is indeed the heroic intention behind the war, then it adheres to Jus ad Bellum criterion. However, there have and continue to exist terrible regimes in the world, such as Sudan and North Korea just to mention a few. I still have not seen President Bush call a press conference and declare a war against them in order to fulfill his moral duty to liberate people from oppression. I doubt that his concerns regarding human rights were ever at the top of his political agenda. From what we have witness of the Iraq War, we can conclude that it was not approached as a war to bring about s ocial justice, the number of civilian deaths is outstanding and no one could ever think of this war as a humanitarian act. What I am saying is that right intention is not met either because the goal of war should be to attain peace and there should be no private motivations, and even as if we can all agree that disarmament is ideal and desirable, I do find the real motives questionable. I cannot discard the possibility that protecting the innocent might just be a byproduct of real intent such as, but not limited to, retaliating past injustices or damages of Saddam Husseins regime on the United States, a form of revenge for the resentment on a speculation of the relation between Hussein and the terrorist attacks from 9/11, or to force Iraq into a regime change because of the dislike of their leader (Prados, 127). By intentions such as vengeance as a goal of war the permissibility of war would have been denied. Let us remind ourselves that it is necessary not only to fight against an unjust cause but for a just one. As far as legitimate authority goes, this is a very fragile condition to break. President Bush could be deemed as a legitimate authority insofar as he is acting on behalf of a common good, but whose common good is he acting on behalf of? As he mentioned: The United States of America has sovereign authority to use force in assuring its own national security. That duty falls to me, as Commander-in-Chief, he clearly was acting for the good of his country, but he does not mention anything regarding the good of the rest of the world, particularly the Iraqi people. Indeed it is hard to determine this when the intentions for the war are unclear. Besides, Iraq had not attacked the United States directly, let us not forget that there is no proof of any link between the terrorist attacks and Saddam Hussein, therefore not placing a direct threat on their sovereignty. Therefore, the United Nations was the legitimate authority as they were engaging in a diplomatic intervention before the invasion on behalf of the common good of all nations. It is necessary to clarify that the UN Security Council is a collection of authorities who act as a whole and no member should act on its own. This is directly linked to the other condition of the Jus ad Bellum criteria: last resort. This deals with the idea that all other resorts had been exhausted and all other attempts had been ineffective. The argument here for George W. Bush was that after twelve years of democracy, more than a dozen resolutions in the United Nations Security Council, and all other failed attempts of what he calls good faith had been exhausted, and, therefore, he had to act. Even though it is undeniable that Iraq had clearly violated various resolutions presented by the United Nations Security Council, there was still reasonable hope for a democratic solution. People failed to challenge faulty information and justifications given by Bush and his administration because they were so immersed into Groupthink (Prados, 17). Meaning that a group made a faulty decision because group pressure led to a deterioration of their efficiency to make good decisions and tend to ignore alternatives. War should not be re sorted to just because it is faster than diplomacy. As a result, it can be said that there is always another option and the Iraq war was certainly not the last resort. Proportionality was another big argument for President Bush; in fact this can be the basis of the Bush doctrine. He stated that the risk of inaction would most definitely outweigh the risk of action, meaning that if they did not act they could be facing a nuclear attack: We choose to meet that threat now, where it arises, before it can appear suddenly in our skies and cities. Nonetheless, this can be disproven as well insofar as no weapons of mass destruction were found and so if the United States would not of acted they would not have been more threatened by them than they have always been to countries that dislike them. In terms of just war theory and specifically the Jus ad Bellum criterion it can be concluded that these concepts can be twisted in directions that are not legitimate to try to make a war permissible. This was clearly the case with the Iraq War. Using the novelty idea of a pre-emptive war, in which they were entitled to attack another country just by believing that they had the potential to become a threat, President Bush was able to get away with it. I do not believe that any nation or leader has the noble intentions to really try to prevent something just for the sake of a universal good as it was presented on Bushs speech. There always has to be a hidden intention or benefit, and I am sure this was war was not the exception, even though we can only speculate about what the real motivations were, we can be sure that the arguments presented on the Presidents speech were not sufficient to abide to the conditions of the just war theory, specifically the Jus ad Bellum criterion. Further more, the primary reason for engaging in warfare is to restore peace and the Iraq War has failed miserably to deliver peace and security to the Iraqi people or to anyone for that matter, making this the unnecessary war.

Generational Differences: The Use Of the Internet Essay -- Technology

Generational Differences: The Use Of the Internet Everyone is doing it: surfing the net. Every generation nowadays is using the Internet for some reason or another. Kids, sometimes for play; students for school work; and adults in the workforce are using the net for business related topics or to plan their next vacation; seniors are using it to keep in touch with their grandchildren. If you aren’t using the net, then you are obviously not in tune with the Real World. There have been my in depth studies dealing with generational use of the Internet. Who is wired and who is not. The gender gap. Who, how and why a person is using the Internet. Before I get into my own observations, I would like to introduce some observations that certified people in the field have made: Kids: Children start to use the computer and surf the net just as fast as they can walk or talk. At first, they just want to play games, but then they find the amazing tool of surfing the net to find better games, more interesting games and for study. Children are being encouraged to use the Internet by their teachers. Small research projects are being assigned by their teachers to see if their students know how to use the information on the Internet for school related purposes. Chat rooms have also become popular among children. Disney.com has a chat room for youngsters to partake in and talk about their favorite characters, movies, etc. Of course, children do not have the choice of their income - but this is a major concern among the â€Å"digital divide.† One of the most common â€Å"digital divide† findings is of course the use of computers in schools. A nationwide survey was taken and the results follow: teachers suggest that, as of 1998, m... ...y study has been very bizarre. I think everything went as planned, besides the one circumstance with the senior citizen. WORKS CITED Becker, Henry Jay. â€Å"Who’s Wired and Who’s Not: Children’s Access to and Use of Computer Technology. Future of Children. 2000, 10, 2, fall, winter: 44-75 Ervin, Linda A., Kelly S. Gardner, Philip D. Schmitt. â€Å"Gender and the Internet: Women Communicating and Men Searching.† Sex Roles 44. No. 5/6. (March 2001) pp. 363-379. â€Å"The Internet Study: More Detail.† February 2003. 25 Feb 2003. http://www.standford.edu/group/siqss/Press_Release/press_detail.htm â€Å"Raised On The Net: The Effects of Computerization on the Next Generation.† May 1999 23 February 2003. http://www.units.muohio/psybersite/cyberspace/n-gen/criticism.shtml Saunders, Gertrude. â€Å"Wired Woman.† Woman’s Day. March 4, 2003. p. 65

Discovering Truth in Personal Experience

There are a few chosen moments in a person’s life that are pivotal and life-changing. I have been fortunate to have one of those moments in my life and I think that it has shaped my personality and character today. As I look back to that experience, I am amused by the fact that it took me some years to realize how influential my high school biology teacher was in shaping my values towards education, hard work, and responsibility. I was only a teenager when I met her and naturally, I did not care the least about how she was teaching us or what impact she was making on our volatile and malleable minds.But years after I left high school and have now encountered various situations that challenged my character and personality, I see how her methods of teaching equipped me to face these situations. When she was teaching us high school biology during the second year of high school, she already had two children. It was not surprising that I and my peers always felt that she treated us very motherly, concerned not only with our academic performance but also with our character formation.She taught us beyond the classroom and was always accessible even outside the school premises. She was very interactive and made sure that we have healthy communication. Once, I and a few my classmates were having difficulty with a laboratory experimentation which she made us do. Without hesitation, she invited us over her house and helped us accomplish the experiment by guiding us through the instructions. She was accommodating and open to questions and even complaints.There was a healthy exchange in our communication and during that year with her, I experienced how guidance could aid student in charting their progress. Because of the nature of her class, she was able to instill to us the value of cooperation and interaction within the group. She maximized our laboratory sessions to instruct us how a team functions. The class was not her monopoly. She delegated as much responsibil ity to us and put confidence in our skills and capacity to work together. Our laboratory sessions became more than tedious, repetitive and routine class requirements.Aside from including bits of fun in it, she also made sure that we work effectively in groups. She constantly monitored how we go through experiments, roaming around the laboratory and observing one group after another. She insisted on involving every member of the group and I remember that she specifically designed her experiments to ensure that everybody in the group participates. Nobody was left behind in her class. It is very important that a class progress as whole and not only individuals or certain groups within the class.The sign of an effective teacher is that he or she sufficiently meets the needs of every student in the class. I realize now how huge her responsibilities were trying to assess how each of her students learn and teach in a way that enables her to match these various learning styles. It was durin g the second year of my high school when I learned to depend on my skills. This was primarily made possible by my biology teacher who always encouraged us to learn actively, using our own strengths and capabilities.She rarely monopolized the class by spoon feeding information to us. Instead, she allowed us to discover the answers for ourselves. During our class discussion on taxonomy, she had each of us report on the basic classification of animal and plant kingdom giving us only the bare details. She suggested a few places where we can gather information, but she did not assign a book or a particular material. She said that we can stretch our creativity in our reports as long we educate the class on our assigned topic.As her way of guiding us through the task, she opened her office for consultation. I realized that she was adapting methods used in college by allowing us to be independent students. Through her efforts of making our learning active, I learned to form study habits on my own and depend on my own skills and capabilities in accomplishing goals. In terms of reaching goals, my biology teacher also influenced my sense of time. When working on certain tasks inside the class, she reminded us that we were bound by time and cannot afford to lax or procrastinate.She was strict on deadlines and imposed sanctions on those who disregard the schedule she set. Time management is a crucial part of effective education and she made sure that we internalize that importance during that year. It was just recently that I encountered Stephen Covey’s The Seven Habits of Highly Effective People in which he gives certain guidelines on effective time management. As I look back, I realize that my high school teacher was already teaching us some of the basic principles which Covey outlines in his book.One important information which my teacher imparted on us was prioritization which Covey emphasizes in the section ‘Put First Things First’ (1989). My biolo gy teacher taught us to make important, but not ‘urgent’ [in Covey’s words], matters a top priority in our lives. By this, she meant that we should be balanced individuals devoting our time not only to her subject but also to our families and friends. It was important for her that we balance our activities because she told us that education was not merely based on the book.Education goes beyond the confines of the class and the textbook. Information is useless if it does not fit appropriately in an individual’s life. Thus, she taught us not only to value time but also to assess how our high school education figures in the rest of our life plans. By showing me and my classmates an overview of life, not only in the literal sense knowing that she taught biology, I was able to endure the tedious parts of high school and utilize my learning to be a more effective student in my succeeding education.I only spent a year with my biology teacher and most of informat ional things she taught us regarding the science of life I have already forgotten. But, she remains to be of central significance in my life education because what she imparted to me were skills essential not only to pass an examination but to survive life in general. Her methods and her nurturing character helped me discover my own strength, the value of cooperation and the high regard for the limits of time. Reference: Covey, S. (1989). The Seven Habits of Highly Effective People. UK: Simon and Schuster.

Diglossia

Hindi as a Diglossic Language Standard (Suddha) Hindi vs Hindustani:- Hindustani,  commonly known as  Hindi-Urdu  and historically as  Hindavi,  Urdu, and, is the lingua franca of north india and Pakistan. It is an  indo Aryan language and it is deriving primarily from the  khariboli of Delhi, and borrows a large amount of vocabulary from  Persian, Arabic, Sanskrit and Turkic. The colloquial languages are all but indistinguishable, and even though the official standards are nearly identical in grammar. They differ in literary conventions and in academic and technical vocabulary.With Urdu retaining stronger Persian, Central Asian and Arabic influences, and Hindi relying more heavily on Sanskrit. Before the  partisan of India, the terms  Hindustani, Urdu,  and Hindi  were synonymous; all covered what would be called Urdu and Hindi today. The term  Hindustani  is still used for the colloquial language and lingua franca of North India and Pakistan, for example for the language of   bollywood  films, as well as for several quite different   varieties of Hindi  spoken outside the Subcontinent, such as  Fiji Hindi  and the  Caribbean Hindustani  of   Suriname and  Trinidad.Standard Hindi, the official language of India, is based on the  khariboli dialect of the Delhi region and differs from Urdu in that it is usually written in the indigenous  devnagari  script of India and exhibits less Persian influence than Urdu. Many scholars today employ a Sanskritized form of Hindi developed primarily varansi, the  Hindu  holy city, which is based on the Eastern Hindi dialect of that region and thus a separate language from official Standard Hindi.It has a literature of 500 years, with prose, poetry, religion & philosophy, under the Bahmani Kings and later on Khutab Shahi Adil Shahi etc. It is a living language, still prevalent all over the Deccan Plato. Note that the term â€Å"Hindustani† has generally fallen out of common usage in modern India, except to refer to a style of Indian  Hindustani Classic Music. The term used to refer to the language is â€Å"Hindi†, regardless of the mix of Persian or Sanskrit words used by the speaker.One could conceive of a wide spectrum of dialects, with the highly Persianized Urdu at one end of the spectrum and a heavily Sanskrit-based dialect, spoken in the region around Varansi, at the other end of the spectrum. In common usage in India, the term â€Å"Hindi† includes all these dialects except those at the Urdu end of the spectrum. Thus, the different meanings of the word â€Å"Hindi† include, among others: 1. standardized Hindi as taught in schools throughout India, 2. Formal or official Hindi advocated by Puushottam Das Tandon who was freedom fighter from Uttar Pradesh. e is widely remembered for his effort in achieving the official language of India status for Hindi  and as instituted by the post-independence Indian government , heavily influenced by Sanskrit, 3. the vernacular dialects of Hindustani as spoken throughout India, 4. the neutralized form of the language used in popular television and films, or 5. The more formal neutralized form of the language used in broadcast and print news reports. Hindi has two forms: the H form called   Shuddha Hind and Hindustani Language.Both are based on the same dialect that is Khariboli. The L variety, Hindustani (often simply called Hindi) contains many loanwords from Persian and Arabic (brought by the Arabic and Persian invaders in medieval times), along with a massive vocabulary of English loanwords which increase day by day. The L variety is identical with spoken Urdu—except for the fact that the latter is written in  Perso Arabic script. The H variety was standardized in the 1960s during the movement to adopt  Hindi  as national language of Indian Union.Shuddh  means pure Hindi primarily uses words from Sanskrit to replace not only English lo anwords, but also loanwords from  Persian language  and Arabic which had been nativized for centuries. These words are called  Tatsama  words, and they even replaced many  tadbhav  words, i. e. words with Sanskrit origin but having undergone profound  phonological  change. The L variety is used in common speech, TV serials and Bollywood movies and songs. The H variety is used in official and government writings, scholarly books and magazines, signboards, public announcements and public speaking.

The Evolution of the First Tetrapods

The Evolution of the First Tetrapods Its one of the iconic images of evolution: 400 or so million years ago, way back in the prehistoric mists of geologic time, a brave fish crawls laboriously out of the water and onto land, representing the first wave of a vertebrate invasion that leads to dinosaurs, mammals, and human beings. Logically speaking, of course, we dont owe any more thanks to the first tetrapod (Greek for four feet) than we do to the first bacterium or the first sponge, but something about this plucky critter still tugs at our heartstrings. As is so often the case, this romantic image doesnt quite match up with evolutionary reality. Between 350 and 400 million years ago, various prehistoric fish crawled out of the water at various times, making it nearly impossible to identify the direct ancestor of modern vertebrates. In fact, many of the most celebrated early tetrapods had seven or eight digits at the end of each limb and, because modern animals adhere strictly to the five-toed body plan, that means these tetrapods represented an evolutionary dead end from the perspective of the prehistoric amphibians that followed them. Origins The earliest tetrapods evolved from lobe-finned fishes, which differed in important ways from ray-finned fishes. While ray-finned fishes are the most common type of fish in the ocean  today, the only lobe-finned fish on the planet are lungfish and coelacanths, the latter of which were thought to have gone extinct tens of millions of years ago until a live specimen turned up in 1938. The bottom fins of lobe-finned fishes are arranged in pairs and supported by internal bones- the necessary conditions for these fins to evolve into primitive legs. Lobe-finned fishes of the Devonian period were already able to breathe air, when necessary, via spiracles in their skulls. Experts differ about the environmental pressures  that prompted lobe-finned fish to evolve into walking, breathing tetrapods, but one theory is that the shallow lakes and rivers these fish lived in were subject to drought, favoring species that could survive in dry conditions. Another theory has it that the earliest tetrapods were literally chased out of the water by bigger fish- dry land harbored an abundance of insect and plant food, and a marked absence of dangerous predators. Any lobe-finned fish that blundered onto land would have found itself in a veritable paradise. In evolutionary terms, its hard to distinguish between the most advanced lobe-finned fish and the most primitive tetrapods. Three important genera nearer the fish end of the spectrum were Eusthenopteron, Panderichthys, and Osteolopis, which spent all of their time in the water yet had latent tetrapod characteristics. Until recently, these tetrapod ancestors nearly all hailed from fossil deposits in the northern Atlantic, but the discovery of Gogonasus in Australia has put the kibosh on the theory that land-dwelling animals originated in the northern hemisphere. Early Tetrapods and Fishapods Scientists once agreed that the earliest true tetrapods dated from about 385 to 380 million years ago. That has all changed with the recent discovery of tetrapod track marks in Poland that date to 397 million years ago, which would effectively dial back the evolutionary calendar by 12 million years. If confirmed, this discovery will prompt some revision in the evolutionary consensus. As you can see, tetrapod evolution is far from written in stone- tetrapods evolved numerous times, in different places. Still, there are a few early tetrapod species that are regarded as more-or-less definitive by experts. The most important of these is Tiktaalik, which is thought to have been perched midway between the tetrapod-like lobe-finned fishes and the later, true tetrapods. Tiktaalik was blessed with the primitive equivalent of wrists- which may have helped it to prop itself up on its stubby front fins along the edges of shallow lakes- as well as a true neck, providing it with much-needed flexibility and mobility during its quick jaunts onto dry land. Because of its mix of tetrapod and fish characteristics, Tiktaalik is often referred to as a fishapod, a name that is also sometimes applied to advanced lobe-finned fish like Eusthenopteron and Panderichthys. Another important fishapod was Ichthyostega, which lived about five million years after Tiktaalik and achieved similarly respectable sizes- about five feet long and 50 pounds. True Tetrapods Until the recent discovery of Tiktaalik, the most famous of all the early tetrapods was Acanthostega, which dated to about 365 million years ago. This slender creature had relatively well-developed limbs, as well as such fishy features as a lateral sensory line running along the length of its body. Other, similar tetrapods of this general time and place included Hynerpeton, Tulerpeton, and Ventastega. Paleontologists once believed that these late Devonian tetrapods spent significant amounts of their time on dry land, but they are now thought to have been primarily or even totally aquatic, only using their legs and primitive breathing apparatuses when absolutely necessary. The most significant finding about these tetrapods was the number of digits on their front and hind limbs: anywhere from 6 to 8, a strong indication that they couldnt have been the ancestors of later five-toed tetrapods and their mammalian, avian, and reptilian descendants. Romers Gap Theres a 20-million-year-long stretch of time in the early Carboniferous period that has yielded very few vertebrate fossils. Known as Romers Gap, this blank period in the fossil record has been used to support Creationist doubt in the theory of evolution, but it is easily explainable by the fact that fossils only form in very special conditions. Romers Gap particularly affects our knowledge of tetrapod evolution because, when we pick up the story 20 million years later (about 340 million years ago), there is a profusion of tetrapod species that can be grouped into different families, some coming very close to being true amphibians. Among the notable post-gap tetrapods are the tiny Casineria, which had five-toed feet; the eel-like Greererpeton, which may already have de-evolved from its more land-oriented tetrapod ancestors; and the salamander-like Eucritta melanolimnetes, otherwise known as the creature from the Black Lagoon, from Scotland. The diversity of later tetrapods is evidence that a lot must have happened, evolution-wise, during Romers Gap. Fortunately, we have been able to fill in some of the blanks of Romers Gap in recent years. The skeleton of Pederpes was discovered in 1971 and, three decades later, further investigation by tetrapod expert Jennifer Clack dated it smack to the middle of Romers Gap. Significantly, Pederpes had forward-facing feet with five toes and a narrow skull, characteristics seen in later amphibians, reptiles, and mammals. A similar species active during Romers Gap was the large-tailed Whatcheeria, which seems to have spent most of its time in the water.

To what extent has the credit crunch contributed towards a downturn in Essay - 1

To what extent has the credit crunch contributed towards a downturn in UK house prices - Essay Example A trial is being made to relate the trends in the housing markets and the financial crunch to the theories of economics. The credit crunch and the national and international economic developments have had substantial impact on the country’s real estate market. Before analysing the present situation of the market, it would be ideal to have an overview of the historic developments in the housing market of the United Kingdom. After the downfall of the housing industry in early 1990, there had been a steady growth in the UK housing market. From the stage of disaster, the industry had dramatic growth resulting in the average house price to touch  £163,000 in the year 2005. The quantum of the growth is reflected by the fact that this price was the double of the average house price in the dawn of the millennium. (Cameron G, 2005,). Interestingly the trend was similar in the international scenario as well. The downfall of the US economy and the recession which began in early 2007, catalysed a chain reaction in the international economy as well. This resulted in serious credit crunch in most of the leading economies. The UK economy was no exception. There were serious negative responses in the economy which led to acute credit crunch. The finance flow was seriously affected. Real estate was one of the first industries to be affected by the credit crunch and the allied economic developments. The post recessive period observed critical economic outcomes in the housing industry of United Kingdom. In comparison with the previous year, the house prices were 7.4 percent lower in October 2008. (DCLG, 2008). The average house price in UK in October 2008 was  £203,539. At the same time the house prices paid by the first time buyers were almost ten percent lower than that in the previous year (DCLG, 2008). Meanwhile while

Discrimination Based on Religion and National Origin Essay

Discrimination Based on Religion and National Origin - Essay Example Accordingly, as it is made known to her that customers need English speaking sales professionals, Mary was aware of the needs of the customers as well as her responsibilities, which include speaking in English. Additionally, the Spanish language was not prohibited as long as it is used to communicate with a Spanish-speaking customer. In the context of Mary’s case, it can be said that the imposition of the â€Å"English Only Policy† is to prevent misunderstanding between employees and customers. Murray and Bernard mentioned that with the diversity in the workforce today, there is a need to impose a preferred language to ensure effective and comprehensible communication among customers and employees (1). Additionally, Mary’s dismissal is not merely based on her language, but it is based on the idea that she did not use the prescribed language preferred by the company. For this reason, Sears did not violate the law that protects employees against racial, ethnic, and religious discrimination. Based on Title VII, Tucker and Haddad flesh out that the concept of religion, in the juridical context, includes all the religious practices, observances, and beliefs of an individual (217). With this definition, it can be said that religion has a wide scope that accommodating all of the employees’ religious preferences may be difficult. Furthermore, although it is a general rule that employers should not discriminate an employee’s religion, service industries and religious-related organizations are exempted from the limitations prescribed in Title VII of the Civil Rights Act of 1964. Service industries and organizations associated with a particular religion can discriminate an employee’s religion. For instance, the airline industry, in its service-oriented business process, is allowed to disregard the religious practices of their employees and oblige them to work especially when the work is a business necessity. Considering the rationale of the exception, I

On the war of iraq Research Paper Example | Topics and Well Written Essays - 1750 words

On the war of iraq - Research Paper Example tyrannical rule of Saddam Hussein, indiscriminate killing, large-scale unemployment, loss of basic infrastructure, lack of law-enforcement, and armed resistance, made the country’s future appear bleak. This is particularly true for the most vulnerable sections of Iraqi society: the children, women and old people (Ismael, 2007). The classical Just War tradition with ethical criteria for pre-emptive war, is not adequately filled by the Bush Administration’s use of military force in the attack it led against Iraq, as part of the war against global terrorism. The doctrine of pre-emptive war in the case of Iraq fails vital ethical tests (Wester, 2004). Thesis Statement: The purpose of this paper is to present an argumentative discussion on the United States’ continued war on Iraq, beginning in 2003. The extent to which it was a Just War will be examined on the basis of the presidential justification for war with Iraq, public and media misperceptions about the war created by the Administration, and level of evidentiary strength in the president’s case for war. The theoretical framework of the doctrine of Just War related to the concept of an unavoidable war to protect humanitarian rights, forms a useful tool for analysis. The doctrine includes international laws on the use of armed force in combat. â€Å"Beyond strict assessments of the legality of war, Just War doctrine is concerned with the broader notion of justice† (Enemark & Michaelson, 2005, p.545). The Just War doctrine is based on the principle that the inevitable death and destruction caused by war results in the burden of proof to explain the moral justification for war, falling on those who advocate the use of armed force. The two dimensions to Just War doctrine are: jus ad bellum or the justice of going to war, and jus in bello or the just conduct of war. The jus ad bellum framework can be used to primarily assess the justice of the decision taken by the U.S. Administration to invade Iraq in March

Men and Women Through Body Languages Essay Example for Free

Men and Women Through Body Languages Essay Abstract Communication had its verbal and nonverbal understandings, but they also have their misunderstandings. Body language has industrialized itself with different types of language that were brought up by the society. Men and women weren’t use to these body languages towards the similar gender. Miscommunication has been a problem when dealing with these differences. Men and women continue to build body languages that only made sense to themselves and not to the opposite gender. Although one defeats the other in a general body language such as; gestures for men and facial expressions for women, they will always be equal. Body languages may also differ between the two parties through culture and behavior. By knowing the differences between the two genders, a mutual understanding may be established. What is â€Å"communication†? Realistically, we can never fail to harass the use of communication because of its purpose in the society. Communication can be either verbal or nonverbal (Carnes.2010). How DO Men and Women communicate differently using body language? That’s the question we would usually ask ourselves and scarcely know the answer. According to Gray, author of the best-seller â€Å"Men are from Mars, Women are from Venus† (1992), one of the reasons that men and women differ in their use of nonverbal communication is that their reasons for communicating are often different (Carnes.2010). This means, in most situations, a man will commonly misunderstood a woman’s language because the perspective of one gender is distributed at a different angle. Diligently, Communication has altered itself through the different uses of body language between men and women; therefore, by expanding our knowledge of its diversity; we can unravel the miscommunication between two different parties. Such as the different types of verbally communicating, there are also different types of body language. We can’t entirely stress ourselves to see that, it is now a common and preferable use to most nowadays. Body language has industrialized itself through, facial expression, gestures, and physical contact by different classes of the society, whether it’s from the low class (Gangs, uneducated, etc.) to the high class (the Rich, prejudice, perfectionists, etc.). Research shows that women tend to make more eye contact during communication than men (Carnes.2010). Part of the reason for this is that, they want to be able to engage an emotional connection. An emotional connection through facial expression provides women an easier approach without the need to decide the words she wants or needs to say. This is why women are often taken for granted by men, because men read the emotions shown by women differently. Despite women’s abusive use of eye contact, men also have their side of use. Unlike women, men use eye contact to intimidate by nonverbally asserting dominance (Grover). Since men and women use similar nonverbal communication approach to different ends, they may interpret it differently when confronted. However, eye contact isn’t the only facial expression they differ, but also a simple smile. Women smile more often than men, however, this doesn’t necessarily mean that women are naturally happier than men. Freeman, author of â€Å"Women: A feminist perspective,† asserts that men rely on more obvious gestures and are more likely to use their hands to express themselves (Carnes.2010). Majority of the time, men decide to let their hands do the talking, such as women; they try not to stress themselves with words in order for them to remain in a safe zone. Similar situation happens within cultures such as the Samoans. The High Chiefs would speak with a lot of hand movement in a tradition ceremony. This means, they fear that words wouldn’t deliver correctly or satisfy the opposite. Because men dominant over gesture than women; women tend to make up for it with more facial expressions. However, that doesn’t mean women don’t know how to use gesture, for they use more subtle and restrained gestures and exhibit deferential gestures, such as lowering the eyes when interrupted or confronted (Carnes.2010). According to Carnes (2010), since men are more likely than women to associate touching with sexual intentions, heterosexual men are less to use touch during conversation with other men. Due to what men call, â€Å"Manly hood† or a similar term called â€Å"standards†. Men tend to keep distances from people when they talk to them and touch them less. Men do not express too much when touching other men unlike women, where they are far less concerned about touching other women because they also use touching as an expression of friendship or sympathy. They stand close to people and touch them to generally connect with whoever they are talking to. The difference between the two are simple, men aren’t as open as women where they express their feelings to men through touching just as to other women. This is considered a nonverbal difference because, like other reasons, it can be interpreted in different ways by different genders. Miscommunication has been a problem when dealing with these differences such as relationships. Romantic relationships often end due to miscommunication between the man and woman (Renwall.2010). It’s not because either of the two didn’t have good intentions, it’s because they didn’t communicate well enough to understand each other. Among males, competition is more important. Women in the other hand, concentrate more on cooperation. Studies show that as males’ age, their fact-to-face communication eventually resembles two people sitting in the driver’s and passenger’s seats, in the front seats of a vehicle (Renwall.2010). However, girls sit or stand in a circle when communicating, so that it’ll them to form a bond with each other. Were all-too-familiar with the iconic scene of a husband whos just returned from work, and buries himself in the daily newspaper. His wife wants to talk to him about his day, but hed rather enjoy the escapism that the newspaper provides. In this scenario, neither the man nor the woman is right or wrong. Instead, theyre exhibiting the common communication style of men and women, in a particular situation (Renwall.2010). In addition to (Carnes) relationships, women tend to lean forward when talking to a person, to show that they’re listening. They tend to use nonverbal communication as a means of enhancing her relationship with the person she’s communicating with. Often of times when couples or friends get into a major argument, it’s by miscommunication. But by learning how to communicate more effectively with opposite gender, you can prevent such situations that could even be fatal to the relationship! (Renwall.2010). There are times when women tend to say things while moving in circles; especially if there’s something that’s bothering them. By dropping hints instead of attacking the matter head on, women feel they are working at maintaining the relationship (Finkle.2011). However, it can contradict if a man is totally confused because he lacks at interpretation. Women go in circles, but men go for the jugular. To elaborate more on that; when men are bothered by something, they most likely focus on verbally communicating with just few words such as, â€Å"that’s just wrong†. Women interpret this as a heartless and tactless way of communicating, which may lead to arguments (Finkle.2011). Although one is dominant than the other to certain categories; women tend to be better at understanding body languages than men. Women are often better at picking up differences between what someone is saying with his words and body language. Sometimes women would communicate with men nonverbally; however, they wonder why men do not understand. On a daily basis, you would hear a man or a group of men calling out to a woman by saying words such as â€Å"hey baby, damn you’re hot, hello sexy momma, etc.† this is what Sam Grover of the eHow contributor community meant when he said â€Å"The reason is because men rely more on verbal communication than women.† This could sometime be a turn off for most women because it gives an image that they are cheap (Ta’amu.2012) There are differences in behaviors as well as differences in the purpose behind their behaviors (Amos,2012). These are the two primary ways that show up through the differences between men and women in body language. This means, some of these differences are done naturally; similar to genetics. Others are picked off through experience from places and can definitely differ in cultures. As mentioned earlier, women are more open than men, thus displaying their type of behavior called nurturing behavior. Contraire, on the men side, they display behaviors of a king; power and dominance. However, this was known to be facts in the past. In the modern world, these tendencies are subject to far more variability than ever before. This is due to increased acceptance and comfort with each gender displaying non-typical body language in many different situations (Amos.2012). Men and women use language differently and communicate differently because they were usually brought up differently. The society expects boys and girls as different background. Boys are expected to put themselves forward, while girls are expected to be humble. The most common body language differences are receiving and sending messages. When receiving messages, as mentioned before; women tend to be better. Unfortunately, men tend to be less skilled at using indirect body language to influence communication without actually knowing it at all when sending messages. Unlikely as it is, there are factual physical reasons for these differences. Women process messages using up to 16 different parts of their brain at once, while men process messages using about six or 7 different parts of their brain at once. Neither is better than other, but each processing pattern does influence the receiving and sending of messages based on gender (Amos,2012) This is the reason for women’s power to multitask and their creative imaginations. As with most things divided up along gender lines, the body language differences between men and women are best used as general guidelines (Amos.2012). This is saying that by knowing these differences between men and women, we may establish a better understanding between the two genders. Relationships between others may last longer than usual. One of the most common ways to better understand the opposite gender is by trust. They are a starting point, if you will, for engaging in interactions and going through the process of establishing rapport and building trust (Amos.2012). Once both men and women better understand each other’s perspective, both can improve on interpretation and understanding. The key is to be respectful of differences and not belittle or judge either gender based on body language issues (Amost.2012). We’re all addressed to our own action, words, perspective, and intention. There will always be a time when we got to face the differences. Just as the saying goes â€Å"Let’s sit, and settle our differences†. By knowing the differences between the two genders, we can start knowing that neither is right or wrong. Despite who is dominant, both men and women have fallen into miscommunication. Therefore, by understanding how the opposite gender tends to communicate, and by using some of those methods yourselfyou can prevent miscommunication and strengthen the relationship with your special someone (Renwall.2010). Through the expansion of human knowledge, we unraveled the differences. This study has a lot of implications and great information for mangers who manage both genders, leaders, ministers, CEO of companies etc†¦ A deeper understanding of the way men and women communicate many domestic and social conflicts in society can be resolved. (Ta’amu.2012) References * Carnes, D. (2010, July 12). Retrieved November 30, 2012, from http://www.livestrong.com/article/172581-do-men-women-use-nonverbal-communication-differently/#ixzz2BnRKgKyj * Renwall, G. (2010, March 16). Retrieved November 30, 2012, from http://ezinearticles.com/?How-Men-and-Women-Communicate-Differentlyid=3940430 * Grover, S. (n.d.). Retrieved November 30, 2012, from http://www.ehow.com/info_8110509_gender-differences-nonverbal-communications.html * Amos, J. (2012, October 15). Retrieved November 30, 2012, from http://www.bodylanguageexpert.co.uk/bodylanguageandmenandwomen.html * Finkle, L. (2011, October 12). In Communication. Retrieved November 30, 2012, from http://incedogroup.com/do-men-and-women-communicate-differently-3-telltale-examples-that-say-they-do/

History Of Exhaust Fan And Ventilation Information Technology Essay

History Of Exhaust Fan And Ventilation Information Technology Essay Abstract An automatic ventilation system with an exhaust fan included with a supply fan is presented in this report. With this smart system being proposed, detailed annual energy-efficient operation strategies and methods of control for the air-handling unit are presented. Compare to the traditional type of exhaust fan, the proposed smart system shows that not only does it maintain the indoor air quality but also improve the energy efficiency. Due to the increased outdoor air, the proposed smart system can improve indoor air quality further. An external DC motor will be driven the fan. The reason why an external DC motor is used is because it is able to make the exhaust fan to have the ability of air exhausting and illumination. It also helps to reduce the noise and power consumption of the exhaust fan efficiently. So the proposed smart system is not only energy saving but also environmentally friendly. Acknowledgement This final year report is the end of my long journey in obtaining my Degree in Electrical and Electronic Engineering at University of Sunderland. I have not travelled alone in this journey. There are people who made this journey easier by offering different places to look to expand my theories and ideas. I should specially thanks to my supervisor, Mr Bob Young, for his great interest and assistance of helping me for preparation of this report. Besides, encouragements, supports and advices are continually given by him from the start. It helps me to develop an understanding of the subject thoroughly. Besides, I would also like to thanks to the staffs in the lab, Chris and George for their availability of resources, readiness and skills. Their help in finding the materials that are needed is invaluable. My project will not be in shape without their helps. Last but not least, my deepest thanks to my family, friends and others encouragement and constructive advices that have make the full support of my report completion. Chapter 1: Introduction Overview The purpose of this chapter is to give a rough idea of Intelligent Cooker Hood Exhaust Fan (ICHEF) and how it integrates into and changes the lifestyle of human beings and most importantly, being green. The usual perception of an exhaust fan by the public is simply act as a ventilation system which ventilates the air in an area. But often there are things which are important and being neglected by the public, health. Cooking does not only produce aroma, it often produces more than that, particles of smoke, grease and combusted gasses which are not healthy to breathe in and is environmental pollutants. Food like pepper and onions also produce irritants which can be unpleasant to be continuously exposed to. Exhaust fan are used to remove these pollutants from the air in a specific area. Health, has been an important concern to all of us these days. Because of that, having lots of biological pollutants and dust mite in the living place may cause a serious threat to our health. Thus, the improvement of the indoor air quality is an increasing concern to many people. Molds and dust mites will grow at a high relative humidity and there is one area in the home where moisture is generated, kitchen. Thus, adequate control of moisture in the kitchen is necessary and important. It is generally known that global warming is a severe issue that is happening in the world right now which eventually will bring unwanted natural disasters due to the overheating in the atmosphere and dilapidates the ability of earth to deal with these situations accordingly. To save the world, a few methods are being suggested by ecologists. Energy saving, one of the most effective and most commonly applied by the industries, are used throughout the world in order to avoid the earth from overheating. As a result, the concept of energy saving is being applied in the project to reduce the use of power thus saving money as well. To achieve the goals mentioned above, integrated circuits and sensors are needed to provide aids to control the exhaust fan to either on or off and the speed of the fan according to the data received from the sensors. It is also a low-cost solution and differs from the already-in-market exhaust fan which will cost a fortune. Aims The primary aim for this project is to develop an intelligent cooker hood exhaust fan to make ones life easier with the help of electronic knowledge and most importantly environmental friendly due to energy saving. Objectives The objective of this project is to design a system or programme to determine whether to on or off the exhaust from the readings of the sensors by using MicroCode Studio Plus. An effective and low-cost hardware is designed with sensors attached onto it to obtain data. It will increase or decrease the speed of the exhaust fan according to the level of the heat and smoke detected. Chapter 2: Project Background 2.1 Overview This section presents the general information and history of exhaust fan. It also provides short statement and the application and the hardware which are constructed on Intelligent Cooker Hood Exhaust Fan (ICHEF). Other than hardware, a brief of the software will be provided in this chapter as well. 2.2 History of Exhaust Fan and Ventilation As all of us understand that the purpose of ventilation is to reduce or dilute the indoor contaminants, the experienced engineers should determine how much air is necessary to dilute and reduce the contaminants to a desired level. The existence of ventilation and indoor air quality can be traced back to 17th century. However, concerns about the bad air go back much farther than that. One of the earliest reasons to implement the idea of ventilation is to ventilate the indoor air to a desired level and environment and it is probably still the same problem we have today as why we implement ventilation system in the house is to reduce and remove the products of combustion used for heat, light or cooking. People dated back to 17th undoubtedly learned very quickly that if one brought fire inside the house for cooking, one needed to take the smoke out. The design for ventilation has changed quickly over the time, but it has usually been associated with the indoor contaminants or biological pollutants that can cause health or comfort problems. Looking back into the archeological records, several examples can be found on how houses are built to accommodate ventilation and improve the indoor air quality. There are a few different approaches to deal with the use of fires in the roof. Back in 4000-5000BC, the Banpo villagers in China had implemented chimneys into their houses. The Romans put a hole in the middle of their houses roofs to suck the smoke out of the living place. The basket weavers pit houses found in Mesa Verde National Park, circa 750 AD, use the same approach. The Romans then invented and created a heating system called hypocaust heating system and it is usually for the big buildings. The hypocaust was then preceded and integrated into British parliament buildings in the late 1800s due to its superior heating design in that time. It works by getting the outdoor air into the hypocaust and gains heat from the fire and channeled all the way through the under floor channels and then go up through channels in the walls and vented to the outdoor which acts like a heating system. A system is also built in the late 1880s that uses a similar approach and directs the outside air to the building. The air from the outside is directed over the steam pipes in a heating chamber and conveys into the building. Exhaust openings in the upper reaches of the building provides a stack effect to pull the air through the building. But in year 1631, after one finds that bad indoor air quality can cause health problems, King Charles I ordered that the ceilings in the houses must be at least 10 feet high and that the windows should be higher than the width to allow rooms for ventilation. These improvements were slowly implemented into the buildings in the UK. After the great London fire of 1666, implementations of good ventilations were being speed up because a lot of houses were destroyed. Thus, it makes way for construction of bigger and better ventilated houses with chimneys and large windows which leads to have better indoor air quality when the air ventilates in the house. 2.3 Modern Background of Exhaust Fan and Ventilation With all the history in the previous section, we do of course have some modern background about the exhaust fan and ventilation. Nonetheless in the modern times which due to large demand in the world now, end-product of exhaust fans are being produced in a way of mass production. An american company specialized in kitchen exhaust fan, American Hood, has came out with some different products, ie, fire suppression system. It consists of smoke detector and fire alarm system and use a special wet chemical agent that provides quicker flame knockdown and superior fire prevention if extremely high level of smoke and temperature is detected. 2.4 Introduction to Microcontroller Figure 2.1 Microcontroller What is microcontroller? Microcontroller is sometimes called as a microcomputer or commonly called as MCU, is a kind of small or mini computer that you can find in almost all electronic devices and products. Some examples of common products that we have microcontroller built-in are microwave oven, handphone and etc. If there are buttons and a digital display in a product, chances are it also has a programmable microcontroller brain. Often, microcontrollers are called as an embedded microcontroller, it is mainly because they are often part of an embedded system and usually integrated into a larger device or system. Microcontroller is designed specifically for a particular tasks or jobs such as controlling a particular system which is different with the general purpose microprocessor, the one that is generally used in a PC. A typical microcontroller consists of an integrated CPU (Central Processing Unit), RAM for data storage and ROM for programme storage. Other than that, it also provides input and output interfaces on the same chip. It has its advantage because a general purpose microprocessor may require another addition chip to support similar function. 2.5 Introduction to PIC16F876A PIC, initials refer to Peripheral Interface Controller, is a type of microcontroller made by a company called Microchip. They are 8 bit microprocessors with small RAM, ROM and simple peripherals bundled on a same chip. The figure below shows the number of pins and functions of each pin. C:Documents and SettingsUserDesktoppic16f876a.png Figure 2.2 Integrated Circuit PIC16F876A The PIC16F876A was chosen for this project because it has the function of Pulse Width Modulation (PWM) in the integrated circuit itself, which is located at pin 12 and 13. The PWM function can be set through the configuration during the progamme codes writing in the software. PWM will be explained more in details in the next few chapters. By using this integrated circuit, it helps to save the trouble and works to construct an external circuit to perform a similar function. 2.6 Introduction to L293D C:Documents and SettingsUserDesktopl293d.gif Figure 2.3 Integrated Circuit L293D The L293D is a quadruple high-current half-H driver. It is designed to provide a bidirectional drive currents of up to 600mA at voltages ranging from 4.5V to 36V. Not only that, it drives the inductive loads such as relays, DC motors, solenoids as well as other high current or voltage loads in positive supply applications. In this project of Intelligent Cooker Hood Exhaust Fan (ICHEF), L293D was chosen to drive one DC motor to show the speed of the motor driven by the frequency (PWM) from the microcontroller. 2.7 Introduction to MAX232 Figure 2.4 Integrated Circuit MAX232 MAX232 is a communication tool used mainly for serial commands to and from a flash rom. Besides, it is also an integrated circuit that changes the signals from RS232 serial port to signals that is compatible to use in TTL (Transistor-Transistor Logic). The MAX232 is a duo driver and receiver and typically converts the RX (Receive), TX (Transmit), CTS and RTS signals. Figure 2.4 shows MAX232s structure and pin in/out of MAX232 chip. MAX232 chip was chosen for converting signals because it has long been used for microcontroller boards. It provides 2-channel RS232 port and requires external 10uF capacitors. 2.8 Introduction to Temperature Sensor (LM35) C:Documents and SettingsUserDesktopLM35.jpg Figure 2.5 LM35 The LM35 is an integrated circuit sensor that is used to measure the temperature with an electrical output which is about the same compare to the temperature in degree celsius. LM35 acts as temperature sensor in this project. It was being chosen because it does not require any extra calibration or trimming to keep its accuracy to measure the temperature. There is another main characteristic of the LM35 which act as a temperature sensor is that it takes 60mA from its supply only. Since the main objective of this project is being green and save energy, LM35 was chosen instead of other type of thermistor. 2.9 Introduction to Light Dependent Resistor (LDR) C:Documents and SettingsUserDesktopvdiv1.gif Figure 2.6 Light Dependent Resistor (LDR) A light dependent resistor (LDR) is a small semiconductor. LDR is used to recharge the light during different changes in light or made to turn a light on during certain changes in lights. One of the most commonly used areas that LDR implemented is in fire alarm system. It relies upon on the smoke which is produced in the event of a fire. When this smoke passes and covered the LDR and the amount of light falling on the LDR decreases, it will then send a signal to the microcontroller. Microcontroller will act accordingly from the pre-set programmes, in this case of the project, the microcontroller will drive the motor according to the data received. The aim of a LDR is to vary the brightness of a light in the different conditions. This can be described easily by the concept of a digital watch. Some watches get to glow in the dark so that it is possible to tell the time without pressing any buttons. It is the LDR that let the watch to know when it is dark and changes the emission level of the light accordingly. There are of course many good benefits and advantages to the LDR. A smaller amount of power will be consumed with the aid of LDR in many different kind of lights. It also helps lights to last much longer which is good for environment in a way. 2.10 Computer Interfacing Module Even though its easy especially when there is plug-and-play internal hardware solution for the computer, connecting some of the external tools or devices may still require a certain amount of technical knowledge and experience. There are generally two types of ways for data transmission, parallel and serial. Serial transmission has been chosen for this project. C:Documents and SettingsUserDesktopDB9.jpeg Figure 2.7 Layout of DB-9 Female In the past, old type of computer used 25 pins connectors while in fact that only 9 pins were actually used. Thus nowadays most of the connectors are manufactured in 9 pins instead. Each of the 9 pins usually connects to a wire. Besides the two wires which are used for transmitting (TD) and receiving (RD) data shown in Figure 2.7, the other pin is for signal ground. The voltage on any other wire is measured with respect to the ground. So, the minimum number of wires of a connector to use for 2 way transmission of data is 3. Although it has been known that it works without the signal ground wire, it will degrade the performances and often with errors. There are more wires which are for controlling purposes and not for sending bytes. Even though all of the signal can share on one wire, but there is still a separate wire dedicated to every type of signal instead. C:Documents and SettingsUserDesktopmax232.gif Figure 2.8 Connection of MAX232 and Microcontroller While communicating with different type of microcontrollers, one needs to convert the RS232 levels down to lower levels, usually 3.3V or 5V. Serial RS232 communication works with voltages -15V to 15V for high and low. On the other hand, TTL logic operates between 0V and 5V. Modern low power consumption logic operates in the range of 0V and 3.3V or even lower. The MAX232 chip from Maxim was the first integrated circuit in the market contains the necessary drivers  and receivers  to adapt the RS232 signal voltage levels to TTL logic. The reason why it became popular was because it needs only one voltage (3.3V or 5V) to generates the necessary RS232 voltage levels. . 2.11 MicroCode Studio C:Documents and SettingsUserDesktopscreen1.gif Figure 2.9 Layout of MicroCode Studio MicroCode Studio is integrated development software which has the capability to debug and was developed and used for microEngineering labs PICBASIC and PICBASIC PRO compiler. Microcode Studio is packed with a code explorer that helps to jump automatically to files, constants, variables, symbols, defines and labels, which are consisted in respected source code. Besides, there are too other features available in this software such as cut, copy and paste, undo and replace options. Not only that, it has the ability to correct and identify the assembler errors. It features views for serial output from the external of the microcontroller. The software helps the user to set up assembler and compiler options. Other than that, it has auto-search feature included in the software which helps the user to do all the work which is involved. It too has the error result window which helps to identify errors and correct them easily. The good thing about this compiler is that when the user clicks on the errors in the compiler, MicroCode Studio will automatically jump into the line location and it efficiently helps the users to know where and how to debug the serial output from the microcontrollers. Chapter 3: System Description 3.1 Overview This chapter focuses on the system design, description and illustration of block diagram of the Intelligent Cooker Hood Exhaust Fan. Several descriptions of the systems will be explained in this chapter as well. 3.2 Introduction The system consists of mainly 4 parts, namely:- Temperature sensor (LM35) / LDR (act as a smoke sensor) and its readings The temperature sensor and LDR will sense the heat or smoke level. If the level exceeds the pre-set level, the fans will be activated automatically via the control of microcontroller. Liquid Crystal Display (LCD) A LCD will be installed in the system to display the temperature reading and LDR values according to the data received. It is to give the user an insight or idea of what is the current values of temperature or light density at that particular time. Speed of exhaust fan by Pulse Width Modulation (PWM) The speed of exhaust fan will be adjusted according to the heat level detected and generate the pulses accordingly. The speed may go higher only when the heat level is higher thus saving the wasted energy which is required to run the fans to full speed at all time. This type of exhaust fan differs from the traditional type of exhaust fan. The fans will then still be activated for a short period of time after the reading drops back to the pre-set heat level in order to remove all the excessive smoke or odour away. Driver Circuit A circuit by L293D to control DC motors with external power supply. 3.3 System Design Microcontroller (PIC16F876A) Temperature Sensor (LM35) Light Dependent Resistor Fans High Speed Low Speed LCD Display Determine speed according to heat smoke level Fans still on for a pre-set time Controller Circuit Figure 3.1 Overall Block Diagram of Intelligent Cooker Hood Exhaust Fan The concept of Intelligent Cooker Hood Exhaust Fan is smart. It helps to reduce the workload of human beings and also it will save energy as well. The microcontroller which uses PIC16F876A serves as a main brain of the whole system. It uses 2 types of sensors which are the temperature sensor (LM35) and light dependent resistor (LDR). With the help of both sensors, data are easily received and displayed on the LCD Display with some aids of the programming. After the data are received and displayed on LCD Display, pulses will be generated by the function of Pulse Width Modulation (PWM) in PIC16F876A and it sends the signal to the controller circuit, DC motor in this case, and drive the motor accordingly to what the readings are being obtained. The fans should still be on for a period of time to ensure the remaining smell and odour are sucked away. 3.4 Pulse Width Modulation (PWM) Pulse Width Modulation (PWM) is a useful technique that controls the analog circuits with the aids of the processors digital outputs. It is employed in different types of areas. It is widely used from power control and communications to measurement and conversion. To control the analog circuit in digital way, it helps to reduce the cost of the system and most importantly, it reduces the level of usage of power consumption as well. 3.4.1 Duty Cycle PWM Signals Figure 3.2 PWM Signals of Varying Duty Cycles Figure 3.2 shows three different PWM signals. The upper figure shows a PWM output with a 10% duty cycle. It just means that the signal is on for 10% of the period and off the other 90% of the period, so the average is low. Likewise, the middle figure shows the analog signal value at 50% and lower figure shows 90%, so its average is half and high accordingly. If it is fully on, it requires 100% of the period while when it is 0%, it is off. 3.4.2 PWM Frequency The PWM signal frequency is important depending on the hardware that one is using. If the main purpose is to create a DC signal then the high frequency will be required (kHz) so that the low pass filter can eliminate the frequency component. To determine how high the frequency, it is to depend on how much frequency components are allowed at the output and how it is used. 3.4.3 Communication and Control One of the reasons why PWM is so popular is because that the signal remains digital at all times, from the microcontroller to the driver circuit. There is no Digital-To-Analog Conversion (DAC) is required. The noises in the signal will be reduced to minimum level because the signals are in digital form. Noises can affects digital forms signal only if it is great enough to change from Logic 1 to Logic 0 and likewise. PWM is often used for communication is mainly because PWM has the ability to increase the noise immunity over analog control. By converting the analog signal to PWM, it increases the length of a communication channel. An appropriate RC (Resistor-Capacitor) or LC (Inductor-Capacitor) network can remove the modulated high frequency wave form and return the PWM signal back to analog form at the recipient side. 3.5 DC Motor C:Documents and SettingsKLTDesktopelectric-motor.jpg Figure 3.3 DC Motor Almost all mechanical movement that surrounded us is caused by either an AC or DC electric motor. It converts the electrical energy into the mechanical movement. One needs to have a little background knowledge about electromagnet and electricity in general to understand how a motor works. 3.5.1 How It Works? In any kind of electric motor, in this case, a DC motor, the operation is mainly based on a simple electromagnetism. A magnetic field is then generated by a current carrying conductor. By doing so, it will experience a force proportional to the current in the conductor when it is placed in the external magnetic field. Everyone is well aware of playing the magnets when young. The opposite polarities attract, in this case, north and south pole. Vice versa, the same polarities repel, north-north and south-south. The operation of a DC motor has similar concept. The internal arrangement of a DC motor is outlined to compose the magnetic interaction between an external magnetic field and a current carrying conductor to generate rotational movement. Image Figure 3.4 Layout of DC Motor Almost all the basic DC motor has these six common parts in them, namely axle, commutator, rotor, stator, brushes and field magnets. In most DC motor, the external magnetic field is produced by high level strength of permanent magnets. The rotor rotates according to the stator which is stationary as well as two or more permanent magnet pole pieces. The windings of the rotor are being connected electrically towards the commutator. The above figure shows a common motor layout with the rotor inside the stator magnets. 2-pole motor in action Figure 3.5 Operation of DC Motor The relationships between the commutator contacts, the brushes and the rotor windings are that when the power is being supplied to the motor, the stator magnets will be incorrectly aligned, the rotor will rotates till it is aligned with the stators field magnet and polarities of the energized winding. The brushes will move to the next commutator contacts and next winding will be energized only when the rotor are in alignment. It can be given by the simple example of 2-pole motor. The rotation reverses the direction of current flow through the rotor winding, causing to the flip of the rotors magnetic field, making it to continue rotating. Image Figure 3.6 Inner view of DC Motor Iron core armature is commonly used in a DC motor as it has a few advantages. The iron core provides a strong and firm support to the windings, it is specifically important considering for the high torque motors. The core, in a way, also dissipate the heat away from the rotor windings very well that it allows the DC motor to rotate even harder. And most importantly, to construct an iron core is comparably cheaper than other type of construction. Unarguably, there are always pros and cons about almost everything. There are a few disadvantages about the construction of iron core. The high level of inertia in iron armature reduces the motor acceleration dramatically. This type of construction also causes the high winding inductances which reduce the life of the brush and commutator. Chapter 4: Circuitry Explanation 4.1 Overview This chapter is about the circuits that are used in this project. Circuit operation and the performance of the entire circuit are roughly explained in this chapter. All datasheets of the Integrated Circuits used in this project are attached in the appendixes section. Circuit diagrams for every part of the overall circuit in this project are provided so that the operation of the circuit can be understood easily by non-engineer readers. 4.2 Microcontroller Unit (PIC16F876A) Figure 4.2 Microcontroller Unit The PIC16F876A CMOS FLASH-based 8-Bit microcontroller consists of a 200 nanoseconds instruction execution, self programming, an ICD (In-Circuit Debugger), 2 comparators, 256 bytes of EEPROM data memory, 2 PWM functions and a UART. The main brain of this control unit replies upon on the PIC16F876A with a 4MHz resonator that produces the clock pulses which is required buy the targeted microcontroller. 4.3 Universal Asynchronous Receiver/Transmitter (UART) Figure 4.3 Circuit of Universal Asynchronous Receiver/Transmitter (UART) with MAX232 An UART (Universal Asynchronous Receiver/Transmitter) is a type of computer hardware that converts the data between the serial and parallel forms. UART is often used with other types of communication means such as, RS232. It is usually a single IC (Integrated Circuit) that used for serial communication or through peripheral device serial port. UART is usually used for embedded system such as microcontroller with RS232. Different interface equipment is usually used to change the logic level of the UART to and from the external signaling levels. It doesnt usually receiver nor generate the external signals which are used between the different types of equipment. 4.4 Light Dependent Resistor (LDR) Figure 4.4 Circuit of Light Dependent Resistor The circuit shown above is about the sensor of the circuit. LDR in this project is to activate the microcontroller. It acts as an input and will send the analogue data into microcontroller and microcontroller will determine the data received and perform a task accordingly. These values will be sent into microcontroller on PortA.0. 4.5 Temperature Sensor (LM35) C:Documents and SettingsKLTDesktopuntitled.bmp Figure 4.5 Circuit of Temperature Sensor (LM35) The power supply (Vcc) can be ranging from 4V to 20V depending on the project requirement, but 5V will be used in this project. To use the LM35 sensor, one can just connect the Vcc to 5V, Ground to Ground and the Out to the Analog-Digital Converter channel. The output varies with temperature obtained. The values will be sent to microcontroller via PortA.1. 4.6 Motor Controller (L293D) C:Documents and SettingsKLTDesktopuntitled.JPG Figure 4.6 Circuit Connection of L293D to Microcontroller The DC motor can be driven in clockwise or anti-clockwise direction depending to the requirements. To do so one first needs to connect the motor and find out the commands that are needed to give to the microcontroller to perform the specific rotation. Pin 1 and pin 8 will need to connect to 5V. Pin 3 and 6 are connected to the output which is DC Motor. Pin 4 and 5 are for grounding. Pin 2 and 7 act as an input which connect to PortC.7 and PortC.6 respectively. Pin 1 of the L293D will also connect to Pin 12 or 13 for Pulse Width Modulation (PWM) function in microcontroller. 4.7 Overall Circuit C:Documents and SettingsKLTDesktopoverall.JPG Figure 4.7 Overall Circuit Chapter 5: Materials 5.1 Overview The main purpose of this chapter is about the materials and tools that are used in this project whereby components, software and tools used will be listed for reference purposes. Budget and stores for all components are also listed at the end of this chapter as well. 5.2 Preface of Materials Used All materials used in finishing this project can be further categorized into 3 main groups of computer software, apparatus and electronic components. These 3 major groups of materials will be further discussed in following subchapters. 5.2.1 Computer Software Computer software used in this project is shown below. No. Computer Software Function 1. Live Wire Do the simulation of the circuit 2. Micro Code Programming for the Microcontroller 3. Microsoft Word Report typing Table 5.1 List and function of the software used to complete this project 5.2.2 Apparatus The table below shows the apparatus that required for c