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GCE JAN 2011 : AS 1 Components of ICT - Revised

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Centre Number 71 Candidate Number ADVANCED SUbSIDIARy (AS) General Certificate of Education January 2011 assessment unit aS 1 assessing Module 1: Components of ICt AW111 Information and Communication Technology [AW111] ThURSDAy 13 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 five questions. INfORMATION fOR CANDIDATES the total mark for this paper is 120 marks 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 111602 QWC Total Marks 6534 1 a health centre stores each patient s medical history in a database. Examiner Only Marks Remark (a) a report of each doctor s appointments is produced at the start of each day. Date 12th June Doctor brown Time Patient ID Name Notes 09:30 321 Green Cancelled 09:45 352 White 10:00 289 Gray (i) By referring to the shaded cell, explain what is meant by Data Information [4] (ii) By referring to the report, explain what is meant by knowledge. [2] 6534 2 [Turn over (b) The health centre wishes to investigate eating habits among its patients. Examiner Only Marks Remark Patients complete a questionnaire. In this case, explain what is meant by a direct data source an indirect data source [4] (c) It is important that the results of the survey are accurate. Identify four other factors which can affect the quality of information. 1. 2. 3. 4. [4] 6534 3 [Turn over (d) Describe three different costs involved in the production of information. Examiner Only Marks Remark 1. 2. 3. [6] 6534 4 [Turn over 2 an automated heating system has been installed in a home. Examiner Only Marks Remark (a) The system includes a touch screen. describe the main features of a touch screen. [4] (b) The system can also use voice recognition. (i) describe the main features of speech input. [4] 6534 5 [Turn over (ii) Identify two advantages and two disadvantages of using speech input instead of a touch screen in this case. Examiner Only Marks Remark Advantage 1 Advantage 2 Disadvantage 1 Disadvantage 2 [4] (iii) Explain how each of the following could be used in this case. Sensor Actuator [4] 6534 6 [Turn over (c) The system uses real time processing. Examiner Only Marks Remark Explain what is meant by real time processing in this case. [3] (d) An engineer uses a laptop computer to maintain the heating system. Identify three types of internal memory and state one way in which each could be used in a typical computer. Memory Use Memory Use Memory Use [6] 6534 7 [Turn over 3 In a school, computers are connected to the Internet using a wireless network. Examiner Only Marks Remark (a) By referring to this network, explain what is meant by a lan a Wan [4] (b) explain how each of the following could be used in a wireless network. a switch a hub [4] 6534 8 [Turn over (c) One of the students wishes to obtain information about the data capacity of fibre optic cable for a coursework assignment. Examiner Only Marks Remark (i) Describe the main features of fibre optic cable. [4] (ii) Explain how the student could use the Internet in this case. [4] 6534 9 [Turn over (iii) Explain how the student could e-mail the assignment to a group of friends. [4] (iv) Describe the main impact of the Internet on Plagiarism Censorship Remark Examiner Only Marks [6] 6534 1 0 [Turn over 4 Application software can be custom built or purchased off-the-shelf. Examiner Only Marks Remark (a) (i) Describe two advantages of custom built software compared to off-the-shelf software. 1. 2. [4] (ii) Describe two advantages of off-the-shelf software compared to custom built software. 1. 2. [4] 6534 11 [Turn over (b) Name and describe two changeover methods which can be used during the installation of new software. Examiner Only Marks Remark Name Description Name Description [6] (c) Describe three factors which should be considered in the evaluation of new software. 1. 2. 3. [6] 6534 12 [Turn over 5 The introduction of ICT has had a great impact on shopping and on entertainment. Examiner Only Marks Remark (a) Name and describe two methods of security used for on-line shopping transactions. Name Description Name Description [8] 6534 13 [Turn over (b) Describe three of the main benefits of digital television. Examiner Only Marks Remark 1. 2. 3. [6] (c) Identify four main features of MP4 technology. 1. 2. 3. 4. [4] 6534 14 [Turn over (d) One of the consequences of using ICt is the risk from viruses. Examiner Only Marks Remark explain what is meant by a worm a macro virus a logic bomb [6] Quality of written communication ThIS IS ThE END Of ThE QUESTION PAPER 6534 6534 15 [Turn over Permission to reproduce all copyright material has been applied for. In some cases, efforts to contact copyright holders may have been unsuccessful and CCea will be happy to rectify any omissions of acknowledgement in future if notified. 111602

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Additional Info : Gce ICT January 2011 Assessment Unit AS 2, Module 2: Components of ICT - 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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