NUMBER ONE New information systems quite often play a major role in the support of planning objectives of an organisation. Management participation is required for better evaluation and control of new systems. Required: Identify and explain three forms of competitive strategies which information technology would address. (9 marks) (b) Name three tangible and intangible benefits associated with new information systems. (6 marks) (c) List five ethical and societal dimensions to the development and use of information technology. marks) (5 (Total: 20 marks) NUMBER TWO Tactical management level may require the use of Decision Support Systems (DSS) for semi-structured decisions and data modelling. Required: (a)Describe four functional characteristics of Decision Support Systems (DSS). (8 marks) (b)Name four types of accounting information systems which DSS may address. marks) (c) Explain the term "prototype" and describe the main steps involved in its (4 development. marks) marks) NUMBER THREE (Total: 20 The rapid technological revolutions in both computer and management systems have brought in new dimensions in business process engineering and re-engineering. Required: (a) Explain the two terms "process engineering and re-engineering". (5 marks) (b) Explain the use and application of the following: (1) Telecommuting. marks) (ii) Electric data interchange. marks) (iii) Computer conferencing. (5 (5 (5 NUMBER FOUR The recent desire for closer user participation in new systems development and distribution systems in operations have created more impetus for end user computing technologies. Required: a) Define the term "end user computing'. marks) b) Identity six risks associated with end user computing. marks) c) Explain the role of the following in promoting end user computing R (6 Information resource centres. marks) (ii) Object oriented programming. marks) (6 (6 marks) (Total: 20 NUMBER FIVE The process of developing new programs involves a series of stages which are collectively referred to as program development life cycle. Required: (a) In a sequential narrative. name and describe the main stages in the program development (10 marks) life cycle. (b) Explain how the use of Computer Aided Software Engineering (CASE) improves programming (4 marks) productivity. (c) Structured walkthrough addresses some areas of interest in a new program under programming productivity (6 marks) (Total: 20 marks) NUMBER SIX Project management is usually an important activity during the development of news information systems. Project resources such as time. cost and personnel would be identified and their uses properly controlled. Required: (a) Explain the term 'critical path as used in project management. marks) (b) Describe the role of project management. (6 marks) (c) Develop a network diagram and determine the critical path from the following project development schedule. Preceeding Activity Activity Duration A 2 B 3 C 2 4 A 3 F B 4 B J B D and H E and F 5 NUMBER SEVEN (a) During the design stage of a new information system, the following issues are addressed: User interface. Data. Process. Required: Discuss the composition of design document under the above three elements. marks) (12 (b) Briefly describe any four computer related crimes that an organisation which is considering computerising its operations should be aware of. marks) (Total: 20 marks) NUMBER EIGHT (a) Explain meaning of the term Electronic Commerce (E-Commerce). marks) (b) The following are some of the elements which constitute an E-Commerce application: Automated Teller Machine (ATM) Electronic Data Interchange (EDI). Internet. Required: Illustrate the contributions of each of the above technologies in E-Commerce application. (c) Explain the meaning of the following terms: I. Website. II. Cyber-cafe. III. Network browser. (6 marks) (4 marks) (4 marks) (4 marks) (Total: 20 marks)