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GCE MAY 2008 : A2 2 Uses of Information Systems

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ADVANCED General Certificate of Education 2008 Information and Communication Technology assessing Module 5: Uses of Information Systems A2W21 Assessment Unit A2 2 [A2W21] FRIDAY 16 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. A2W2S8 4698 Answer all seven questions. 1 A university uses internal and external sources of information when calculating its course fees. (a) Name and justify two internal sources of information in this case. (b) Name and justify two external sources of information in this case. 2 [4] [4] Passwords and data encryption are used to ensure data security on a network. (a) Describe two reasons why passwords may not be secure. (b) Explain what is meant by data encryption. [4] (c) Describe one method of ensuring data security after the user has logged on. 3 [4] [4] A data processing system and an information system are used for airline flight reservations. (a) Explain the difference between a data processing system and an information system in this case. [4] (b) Describe three different levels at which the information system could assist decision making in this case. [9] 4 A new information system is implemented using parallel running. (a) Describe two other ways of implementing a new system. [4] (b) Describe three forms of user support which could be made available. [6] (c) Describe three ways in which users of the new system could be trained. [6] A2W2S8 4698 2 [Turn over 5 A supermarket employed an ICT consultant to develop a decision support system for stock control in its warehouse. (a) Explain what is meant by a decision support system. [2] (b) During fact finding, the consultant examined the documents used in the day to day running of the warehouse. (i) Explain why the consultant examined this documentation. [4] (ii) Name and describe two other fact finding methods. [4] (c) Describe two reasons why the warehouse manager should not rely on the decision support system alone. 6 [4] Employees using ICT must comply with Data Protection legislation and the Computer Misuse Act. (a) State three responsibilities of the employees as identified in Data Protection legislation. [3] (b) State three responsibilities of the employees as identified in the Computer Misuse Act. [3] (c) Name and describe one other law relating to ICT. 7 [5] A local company sells its products using the Internet. Helpline staff use ICT to work from home. Describe the main impact of using ICT on each of the following. (a) The helpline staff. (b) The company s customers. (c) The company s management. A2W2S8 4698 [12] 3 S 12/07 529-033-1 [Turn over

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Additional Info : Gce ICT May 2008 Assessment Unit A2 2, Module 5: Uses of Information Systems
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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