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KCSE Computer Studies Revision Booklet

Institution: KNEC

Course: Computer Studies

Content Category: Class Notes

Posted By: OLOO BRIAN

Document Type: DOC

Number of Pages: 240

Price: KES 100
 
    

Views: 552     Downloads: 1

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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