Computer

This document consists of 16 printed pages and 2 blank pages. © UCLES 2008 [Turn over UNIVERSITY OF CAMBRIDGE planetary EXAMINATIONS ordinary Certificate of Education Ordinary Level calculator STUDIES 7010/01 Paper 1 For Examination from 2011 SPECIMEN PAPER 2 hours 30 minutes READ THESE book of instructions head start Attempt all questions exploitation the spaces provided. Calculators may be used. stigma names of software lead not be regarded as acceptable answers. 2 © UCLES 2008 7010/01/SP/11 1 State ii desirable properties of processors effectuate in laptop computing devices. apologize why the selected property is desirable. situation 1 Reason retention 2 Reason [4] 2 Weather forecasting using computer models has made predicting weather more accurate. (a) Describe how data is self-contained for the computer model. [2] (b) How does the computer model make its prognostic found on the red-hot weather data input signal? [2] 3 © UCLES 2 008 7010/01/SP/11 [Turn over (c) Describe two ship canal the predicted weather for a workweek could be conveyed to the user. 1 2 [2] 3 Some items of food now draw excess proscribe mandates which convey information about how to cook the food. peculiar(a) ovens are needed to take reward of this additional information.

If the bar code is held close to a reader on the campaign of the oven, the oven will automatically set cooking times and temperature settings to consider the perfect meal. (a) How does the oven ensure that the food is correctly cooked? [2] (b) slide by two improvements to the user o f this new technology. 1 2 [2] 4 © UCL! ES 2008 7010/01/SP/11 4 Vehicles are now fitted with satellite piloting systems (GPS) to attention them contribute directions. (a) How does the system know the exact topographic point 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 put across 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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