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GCE JAN 2011 : A2 1 Information Systems - Revised

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Centre Number 71 Candidate Number ADVANCED General Certificate of Education January 2011 Information and Communication Technology assessing Module 3: Information Systems AW211 Assessment Unit A2 1 [AW211] WEDNESDAY 26 JANUARY, AFTERNOON TIME 2 hours. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Write your answers in the spaces provided in this question paper. Answer all seven questions. INFORMATION FOR CANDIDATES The total mark for this paper is 120 including a maximum of 5 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. For Examiner s use only Question Marks Number 1 2 3 4 5 6 7 QWC Total Marks 6533 1 The users of a new information system are provided with an interactive DVD for use during training. Examiner Only Marks Remark (a) Describe two features of an interactive DVD which make it suitable for training. 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] (b) Documentation is produced during the development of the new system. (i) Identify four sections contained in user documentation. 1. _______________________________________________________ 2. _______________________________________________________ 3. _______________________________________________________ 4. _____________________________________________________ [4] 6533 2 [Turn over (ii) Describe two ways in which technical documentation can be used during software maintenance. Examiner Only Marks Remark 1. _______________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 2. _______________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [6] 6533 3 [Turn over 2 Audit trails can be used to enhance data security on a network. Examiner Only Marks Remark (a) Identify four activities recorded by a typical audit trail. 1. ___________________________________________________________ 2. ___________________________________________________________ 3. ___________________________________________________________ 4. _________________________________________________________ [4] (b) Describe a backup and recovery strategy suitable for a batch processing application. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] 6533 4 [Turn over (c) Explain why an organisation might need a disaster recovery plan. Examiner Only Marks Remark _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [4] 6533 5 [Turn over 3 An information system can be developed using prototyping. Examiner Only Marks Remark (a) Describe how the system could be developed using prototyping. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] The system could also be developed using the waterfall model. (b) Describe three methods of fact finding used in the analysis stage. 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 6533 6 [Turn over 3. ___________________________________________________________ Examiner Only Marks Remark _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] End users are involved during the analysis stage. (c) Describe how end users are involved during other stages of the waterfall model. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] 6533 7 [Turn over 4 (a) A business in the USA employs workers in India to operate an on-line help desk. Examiner Only Marks Remark (i) Describe two benefits to the company of this use of ICT. 1. _______________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 2. _______________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] (ii) Some of the help desk operators work from home. Describe two benefits to employees of using ICT to work from home. 1. _______________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 2. _______________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] 6533 8 [Turn over (b) The manufacturing sector makes extensive use of CAD and CAM. Examiner Only Marks Remark Describe the main features of each of the following. CAD ________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ CAM ________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [8] 6533 9 [Turn over 5 (a) Describe three health issues which can arise from working with ICT and explain how each can be minimised. Examiner Only Marks Remark 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 3. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [9] 6533 10 [Turn over (b) Describe three issues which should be covered in an Acceptable Use Policy for employees using ICT. Examiner Only Marks Remark 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 3. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [9] 6533 11 [Turn over 6 A company has a chain of bookshops throughout the country. Examiner Only Marks Remark The company has recently started to sell books on its web site. (a) Describe two benefits to the company of using the Internet to sell books. 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [4] (b) Describe two reasons why a customer might still prefer to buy a book from a bookshop. 1. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2. ___________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [4] 6533 12 [Turn over (c) The company uses a database to store data about orders. Examiner Only Marks Remark Customers can make multiple orders Each order can refer to a number of books A book has only one publisher Draw an entity relationship (ER) diagram for this system which does not contain a many to many relationship. [9] 6533 13 [Turn over 7 (a) Discuss the factors which influence human interaction with computer systems. Examiner Only Marks Remark _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] 6533 14 [Turn over (b) The following issues should be considered when implementing a database Examiner Only Marks Remark Data consistency User access to data Data security Write an evaluation report addressing these issues with respect to A centralised database A distributed database _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ __________________________________________________________ [10] 6533 15 Quality of Written Communication [Turn over 111579

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Additional Info : Gce ICT January 2011 Assessment Unit A2 1, Module 3: Information Systems - Revised
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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