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KCSE Computer Studies Revision Booklet

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Summary

Brief Overview

INTRODUCTION TO COMPUTERS
1. (a) Clearly define a computer
- A computer is an electronic device that operates (works) under the control of programs stored in its own memory unit
- An electronic device that accepts data, as input and transforms it under the influence of a set of special instructions called programs, to produce the desired output (referred to as information)

(b) Give one reason why a computer is referred to as an electronic device
- It uses electrical signals to process data
- It is made up of electronic components and uses electric energy to operate

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