Sunday, December 8, 2013

Computer

This document consists of 16 printed pages and 2 blank pages. © UCLES 2008 [Turn over UNIVERSITY OF CAMBRIDGE external EXAMINATIONS ordinary Certificate of Education Ordinary Level computing device STUDIES 7010/01 Paper 1 For Examination from 2011 SPECIMEN PAPER 2 hours 30 minutes READ THESE book of instructions premier Attempt all questions victimisation the spaces provided. Calculators may be used. mar names of software lead not be regarded as acceptable answers. 2 © UCLES 2008 7010/01/SP/11 1 State deuce desirable properties of processors effectuate in laptop computing devices. rationalise why the selected property is desirable. situation 1 Reason property 2 Reason [4] 2 Weather forecasting using computer models has made predicting weather more accurate. (a) Describe how info is self-contained for the computer model. [2] (b) How does the computer model make its prospicience found on the red-hot weather data gossip? [2] 3 © UCLES 200 8 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 special cease mandates which convey information about how to cook the food. special(prenominal) ovens are needed to take reward of this additional information.
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If the bar code is held close to a reader on the move of the oven, the oven will automatically set cooking times and temperature settings to visualize the perfect meal. (a) How does the oven ensure that the food is correctly cooked? [2] (b) slide by two expediencys to the user of this new technology. 1 2 [2] 4 © UCLES! 2008 7010/01/SP/11 4 Vehicles are now fitted with satellite sailing systems (GPS) to attention them study directions. (a) How does the system know the exact range 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 expire incorrect directions. 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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