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GCE JUN 2008 : AS 2 Components of Information and Communication Technology

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2008 Information and Communication Technology assessing Module 2: Components of Information and Communication Technology ASW21 Assessment Unit AS 2 [ASW21] FRIDAY 13 JUNE, AFTERNOON TIME 1 hour 30 minutes. 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 eight questions. For Examiner s use only Question Number 1 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. 2 3 4 5 6 7 8 QWC Total Marks ASW2S8 4685 Marks BLANK PAGE ASW2S8 4685 2 [Turn over Answer all eight questions Examiner Only Marks 1 Remark A point of sale (POS) terminal includes a touch sensitive screen. (a) Explain how data is captured using a touch sensitive screen. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] (b) Identify and state the purpose of two other types of input device in a typical POS terminal. Device __________________________________________________ Purpose __________________________________________________ _________________________________________________________ Device __________________________________________________ Purpose __________________________________________________ _______________________________________________________ [4] ASW2S8 4685 3 [Turn over 2 Describe the purpose of each of the following components of a typical computer processor. Examiner Only Marks Remark Arithmetic and logic unit ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [3] Control unit ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [3] ASW2S8 4685 4 [Turn over 3 A pupil uses a computer to store results from a science experiment using a spreadsheet. Examiner Only Marks Remark (a) Describe one way in which the ROM of the computer would be used. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] (b) Describe three ways in which the RAM of the computer would be used. 1. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] 2. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] 3. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] (c) Describe two ways in which the external memory of the computer would be used. 1. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] 2. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] ASW2S8 4685 5 [Turn over 4 A number of computers are connected as a LAN. Examiner Only Marks Remark (a) Identify four advantages of networking these computers. 1. ______________________________________________________ _________________________________________________________ 2. ______________________________________________________ _________________________________________________________ 3. ______________________________________________________ _________________________________________________________ 4. ______________________________________________________ _______________________________________________________ [4] (b) Briefly describe the following network topologies. Ring ____________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] Bus _____________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] ASW2S8 4685 6 [Turn over 5 The software of a computer includes an operating system. Examiner Only Marks Remark (a) Describe three functions of an operating system. 1. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] 2. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] 3. ______________________________________________________ _________________________________________________________ _______________________________________________________ [2] (b) Explain what is meant by Real time processing _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] Batch processing _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] ASW2S8 4685 7 [Turn over 6 It is important to reduce the risk of human error when data is input. Examiner Only Marks Remark (a) Name and describe two different types of data transcription error. Name ___________________________________________________ Description _______________________________________________ _________________________________________________________ _______________________________________________________ [3] Name ___________________________________________________ Description _______________________________________________ _________________________________________________________ _______________________________________________________ [3] (b) Hash totals and control totals are used to detect errors. (i) Explain what is meant by a hash total. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] (ii) Explain what is meant by a control total. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] ASW2S8 4685 8 [Turn over 7 Menu based and form based are two types of user interface. Examiner Only Marks Remark (a) Describe the main features of a menu based interface. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] (b) Describe the main features of a form based interface. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] (c) Different software packages have similar user interfaces. Describe two advantages of having a common user interface. 1. ______________________________________________________ _________________________________________________________ _________________________________________________________ 2. ______________________________________________________ _________________________________________________________ _______________________________________________________ [4] ASW2S8 4685 9 [Turn over 8 A database package provides users with a number of specialised features. Examiner Only Marks Remark (a) Explain what is meant by each of the following. A macro _________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] A wizard _________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] ASW2S8 4685 10 [Turn over (b) A sales database includes an Order table. Examiner Only Marks Remark A user wishes to find out the dates of all orders placed by the customer whose reference number is C321. The database package supports Structured Query Language (SQL). (i) Describe how SQL could be used to set up a suitable query. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [6] (ii) Name and briefly describe one other way in which the query could be set up. Name ________________________________________________ Description ___________________________________________ _____________________________________________________ ___________________________________________________ [2] Quality of written communication THIS IS THE END OF THE QUESTION PAPER ASW2S8 4685 11 S 1/08 531-008-1 12 [Turn over

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Additional Info : Gce ICT June 2008 Assessment Unit AS 2, Module 2: Components of Information and Communication Technology
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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