A government is considering subsidising a series of high-speed rail lines in order to reduce short-haul air flights. To what extent might CBA be a useful method of evaluating this proposal? The Basic Economic Problem is that needs and wants are unlimited but resources are limited. Cost Benefit analysis (CBA) is a technique for assessing the monetary and social costs and benefits of a capital investment project over a given time period. It is by this method that we decide to which project proposal
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1) Distinguish between the FTP and TELNET protocols. File Transfer Protocol (FTP) is used to transfer text files‚ programs‚ spreadsheets‚ and databases across the Internet. TELNET is a terminal emulation protocol used on TCP/IP-based networks. It allows users to run programs and review data from a remote terminal or computer. TELNET is an inherent part of the TCP/IP communications protocol. While both protocols deal with data transfer‚ FTP is useful for perusing a file of data as if the user were
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Task1. Distinguish between personnel management and human resource management and discuss the historical development and changing context in which they operate. Personnel Management PM is basically an administrative record functioning at operational level. PM attempts to maintain fair terms and conditions of employment while at the same time efficiently managing personnel activities for individual departments and the activities which result ultimately in achieving organizational success. Human Resource
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“Interazione uomo-macchina” - Alan Dix‚ Janet Finlay‚ Gregory D. Abowd‚ Russell Beale Answers for tutors and extra exercises 1. The human EXERCISE 1.4 What are mental models‚ and why are they important in interface design? answer available for tutors only Mental models are the theories people build to understand the causal behaviour of systems. These are often partial‚ unstable and subject to change. They may be internally inconsistent. They may be superstitious and based on incorrect interpretation
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HUMAN-COMPUTER INTERACTION – The Psychological aspects Human-Computer Interaction‚ abbreviated HCI‚ has simply been explained as the study of how people interact with computing technology (Olson & Olson 2003). It is the intersection between psychology and the social sciences‚ on the one hand‚ and computer science and technology‚ on the other. Throughout the past two decades HCI researchers have been analysing and designing specific user interface technologies‚ studying and improving the processes
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exercises Sheet number 1 Page number 1 Human–Computer Interaction Teacher’ Notes s Alan J. Dix‚ Janet E. Finlay University of York‚ UK Gregory D. Abowd Carnegie Mellon University‚ USA Russell Beale University of Birmingham‚ UK June 4‚ 1993 17:34 exercises Sheet number 2 Page number 2 June 4‚ 1993 17:34 exercises Sheet number 3 Page number 1 Introduction This set of teacher’s notes accompanies the book “Human–Computer Interaction” and is intended to support teachers
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HCI/professionals. Many examples are expected. 2. What kind of conflicts might designers face when designing computer systems? 3. Compare and contrast HCI‚ human factors‚ user interface‚ usability‚ user needs and user oriented design. 4. Describe how various disciplines contribute to HCI. 5. “Too many developers think that they are artistic geniuses – they do not bother to follow user interface design standards or invest the effort to make their applications usable‚ instead they mistakenly believe that
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conditions. Some writers have called attention to the incongruency between bureaucratic and professional norms (Crozier & Friedberg‚ 2010; Etzioni - Halevy‚ 2010) . Specifically‚ they argue that occupants of hierarchical positions frequently do not have the technical competence to make decisions about issues that i nvolve professional knowledge. That is‚ there is a basic conflict in educational organizations between au thority based on bureaucracy and authority based on professional
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Shneiderman ’s Principles of Human-Computer Interface Design: Recognize Diversity (kepelbagaian)- In order to recognize diversity‚ you‚ the designer‚ must take into account the type of user frequenting your system‚ ranging from novice user‚ knowledgeable but intermittent user and expert frequent user. Each type of user expects the screen layout to accommodate their desires‚ novices needing extensive help‚ experts wanting to get where they want to go as quickly as possible. Accommodating both
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COMPUTER APPLICATIONS TECHNOLOGY GUIDELINES FOR PRACTICAL ASSESSMENT TASKS 2014 These guidelines consist of 49 pages. Copyright reserved Please turn over Computer Applications Technology 2 NSC – Learner Guide DBE/PAT 2014 CONTENTS W hat i s t h e P AT ? ....................................................................................................................................... 4 Mark allocation ...........................................................
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