A2 ICT
Third Edition

This 'A2' textbook covers Modules 4 and 5 of the AQA Information and Communications Technology 'A' Level course and is suitable for a wide range of IT courses including 'A' Level, GNVQ, HNC, first year degree courses in Information Technology and numerous other courses having an ICT element or module.

Additional resources for teachers and students are available from the publisher's website.

Chapter 36 - Organisational Structure How organisations work Ingredients for success Focus on people Focus on organisation External pressures on an organisation Case study: Preservation vs. the people Focus on technology Organisations and information systems Data processing systems Knowledge work systems Management information systems
Chapter 37 - Management Information Systems Introduction Information systems vs. data processing systems Internal and external information Information flow The role of a management information system What managers do Types of decision Stages of decision-making Case study: Buying a new car Desirable characteristics of a MIS Factors influencing success or failure of MIS
Chapter 38 - The Information Systems Life Cycle Overview of the systems life cycle The waterfall model What prompts a new system? Feasibility study Requirements analysis Case study: Computer-dating the customer System design Implementation Methods of conversion Post-implementation review System maintenance Prototyping Benefits of prototyping
Chapter 39 - Implementation of Information Systems What is implementation? Successful implementation Why do information systems fail? Case study: Tiptree Book Distributors Factors in successful implementation
Chapter 40 - Information Systems Strategy Introduction Formulating an information system strategy End-user computing ICT for competitive advantage Case study: Just-in-time at Wal-Mart\'s
Chapter 41 - Expert Systems Definition Uses of expert systems Benefits of expert systems in organisations Limitations of expert systems
Chapter 42 - Information Sources of information Levels of information Quality of information Case study: Clearing off to College Channels of communication Case study: Guides need information Presenting management information The intended audience Graphs and charts Guidelines for presentations Keeping everyone informed Marketing information
Chapter 43 - Data Data capture Using bar codes Other uses of bar codes Magnetic stripe cards Linking customers and suppliers through EDI Smart cards Case study: A smarter way to pay Keying in data Case study: Bradford &
Bingley
Chapter 44 - The Management of Change Outcomes from ICT investments Valuing the workforce Reasons why ICT systems fail Case study: London Ambulance Service Managing change successfully Case study: Pindar Implications of change
Chapter 45 - Security Policies Threats to security and integrity Risk analysis Layers of control Building and equipment security Authorisation software Communications security Operational security Audit trail Case study: Harold Shipman, GP and serial killer Personnel safeguards Corporate ICT security policy Case study: War on the Web
Chapter 46 - Disaster Recovery Effects of negligence Stages in disaster planning Contents of a security plan Disaster recovery plan Case study: Trust in the Virtual World Criteria used to select a contingency plan
Chapter 47 - Implementation of Legislation Laws relating to ICT The Da