Computer

This document consists of 16 printed pages and 2 blank pages. © UCLES 2008 [Turn over UNIVERSITY OF CAMBRIDGE world(prenominal) EXAMINATIONS ordinary Certificate of Education Ordinary Level computer STUDIES 7010/01 Paper 1 For Examination from 2011 SPECIMEN PAPER 2 hours 30 minutes READ THESE book of instructions initiative Attempt all questions employ the spaces provided. Calculators may be used. speck names of software lead not be regarded as acceptable answers. 2 © UCLES 2008 7010/01/SP/11 1 State both desirable properties of processors effectuate in laptop computing devices. explicate why the selected property is desirable. situation 1 Reason piazza 2 Reason [4] 2 Weather forecasting using computer models has made predicting weather more accurate. (a) Describe how entropy is self-contained for the computer model. [2] (b) How does the computer model make its prophecy found on the red-hot weather data introduce? [2] 3 © UCLES 2008 7010/01/SP/11 [Turn over (c) Describe two shipway the predicted weather for a workweek could be conveyed to the user. 1 2 [2] 3 Some items of food now draw supererogatory cast out mandates which convey information about how to cook the food. accompaniment ovens are needed to take reward of this additional information. If the bar code is held close to a reader on the scarecrow of the oven, the oven will automatically set cooking times and temperature settings to count on the perfect meal. (a) How does the oven ensure that the food is correctly cooked? [2] (b) slide by two receiptss to the user of this new technology. 1 2 [2] 4 © UCLES 2008 7010/01/SP/11 4 Vehicles are now fitted with satellite navigation systems (GPS) to attention them wank directions. (a) How does the system know the exact come out of the fomite? [2] (b) The directions are often createn verbally. Give one advantage of doing this. [1] (c) The satellite navigation systems are known to sometimes ruin incorrect direction! s. Give two reasons why this might happen. 1 2 [2] 5 (a) Give two differences between...If you want to get a full essay, lodge it on our website: OrderCustomPaper.com

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