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GCE MAY 2007 : A2 2 Uses of Information Systems

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ADVANCED General Certificate of Education 2007 Information and Communication Technology assessing Module 5: Uses of Information Systems A2W21 Assessment Unit A2 2 [A2W21] TUESDAY 22 MAY, MORNING TIME 1 hour 30 minutes. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number on the Answer Booklet provided. Answer all seven questions. INFORMATION FOR CANDIDATES The total mark for this paper is 90, including a maximum of 4 marks for quality of written communication. Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. A2W2S7R 3723.05 Answer all seven questions. 1 In college, student data is entered into an examination system. (a) Explain what is meant by a data processing system in this case. (b) Explain how the examination system could use data for decision making at operational level. [3] (c) Describe two other levels at which the system could be used for decision making within the college. 2 [3] [4] A supermarket uses a computerized stock control system. The ICT manager produces a number of different reports. (a) Describe two reasons why the supermarket still makes a manual check of stock. [4] (b) Explain how the ICT manager could produce a new report showing items which require reordering. [4] (c) A report showing annual sales figures could be presented to the directors as a graph, or in the form of a table. Evaluate these two methods of presenting the annual sales figures. 3 [6] Company employees can access data using an intranet or the Internet. (a) Explain why the company would use the Internet as well as an intranet. [4] The company has a number of measures in place to protect its data physically, and from unauthorised access. All employees carry identity smart cards. (b) Describe two ways in which the smart cards could be used to ensure the physical security of the company s data. [4] (c) Apart from smart cards, describe two ways in which the company could protect its data from unauthorised access. [4] (d) The company has plans for disaster recovery. Describe the contents of a typical disaster recovery strategy. A2W2S7R 3723.05 2 [4] 4 A company has a number of departments. Each department uses its own management information system (MIS). The company appoints an ICT consultant to develop a single MIS for use by all departments. (a) State four ways of identifying the user requirements of the new system. (b) Describe three reasons why the MIS might fail. [4] (c) Describe two different ways in which users of the new system could be trained. 5 [4] [4] An organisation has an information systems strategy. (a) Describe the main contents of a typical information systems strategy. (b) Describe two reasons why the information systems strategy should be updated. 6 [4] [4] An insurance company plans to develop a website which will process applications on-line. An expert system will be used to process on-line applications. (a) One component of the expert system is a rule base. Name and describe two other components of an expert system. [4] (b) Describe two benefits of using an expert system in this case. (c) Explain how the set of rules in the expert system will be obtained. 7 [4] [4] A company must comply with laws relating to ICT. (a) Describe the main features of Computer Misuse legislation. (b) Name and describe the main features of two other laws relating to ICT. A2W2S7R 3723.05 3 [4] [10] 7-181-1

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Additional Info : Gce ICT May 2007 Assessment Unit A2 2, Module 5: Uses of Information Systems
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