Human Computer interaction Essay Example for Free

Human Computer interaction Essay As we know that 2012 Olympic Games will be held in London, this computer interface is specifically designed for all kind of people around the globe in order to check for games, dates, locations, competitions along with hotels, transport facility, accommodation and restaurants etc. To implement information system in an organization it requires a separate information systems department. Information systems department handles all information technology related issues, processing of the data, and networking in the organization. Information systems department is operated by specialists of computer technology also called information system specialists. These are project leaders, programmers, managers, system analysts, hardware engineers, software engineers, core technologists, and consultants. It also includes computer services companies that offer hardware and software services to the organization. An important element of information system is the computer technology and its core competencies; it involves all software and hardware application. Today, information system has become very important in any organization not only because of its usefulness and efficiency but because of its reliability, its ability to manipulate work accurately, ability to expand businesses and services and the competitiveness and edge over others. Information system is very important to bring change in an organization. The change in the organization is brought to enhance performance and quality of products. It is a very powerful tool to in implementing information technology and development of an organization. The information systems department implementation and size vary in an organizations depending upon the organization itself. The IT services companies are totally based on the information system. Model users Identify the different user groups. †¢ Social computing communities. They are part of the users in a new field of human computer interaction. They focus on the design, evaluation and maintenance of the system, and they interact socially via digital technology. †¢ Online community. They are people who use the online as the media to chat or socialize with other people including those in other countries. †¢ Business/professional. They are people who are visiting the Olympic event but want to keep in touch with their work at the office and their professional agendas. Fro example, while attending the Olympic event, they can still communicate with their office, checking on messages, talk to their clients or staff through the intranet, etc. †¢ Students. They can have access to their school, continue on studying while attending the event. And last but not least, †¢ The people who come to the Olympic as visitors, the athletes, and all other people who are participating in the organizing the event. UNA and Design Perform a User Needs Analysis (UNA) for the expected user population(s). Human Computer Interaction application involves a thrusts of human perception and its relationship to graphical user interfaces and that the impact of mental models on a system can ease the use of the system. †¢ User Characteristics User characteristics may include age, gender, life style, preferences, education and its background, level of knowledge, and other social factors that may spark the interest of the individuals to use the system. †¢ Work/Task Characteristics (Produce a HTA) Task characteristics required to human computer interaction can be defined by using action regulation theory such as the one described by Ulich et al (1991 in Fjed and Rauterberg, p3): (A) Task dependent setting of (sub-)goals which are embedded in the superimposed task goal; (B) Independent action preparation in the sense of taking on planning functions; and, selection of the means including the necessary actions for goal attainment; (C) Mental or physical performance functions with feedback on performance pertaining to possible corrections of actions; (D) Control with feedback on results and the possibility of checking the results of ones own actions against the set (sub-)goals In addition, several methods can also be developed and be used to analyze this task characteristics such as questionnaires and interviews; (Scott, Osgood Peterson 1979); scoring rationale of observable behaviour (McDaniel Lawrence 1990); protocol analysis based on actions and utterances (Ericsson Simon 1984); and formal models (Kieras Polson 1985) and executable models (Ritter Larkin 1994). The modeling for these methods consist of four different modeling levels such as modeling traditions, modeling paradigms, model classes, and specific models (Fjeld and Rauterberg, 1998).