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Chapter 5 – Basic Computer Concept

Definition and Characteristics of Computer

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The computer is a very important tool or device which is gradually becoming an indispensable part of life. A computer has input devices, output devices, processing unit and memory devices which enables it to accept, store and process data based on the instructions given by the computer user to produce useful output called information either as softcopy or hardcopy.


Computer is an electronic device which accepts data, stores them, process them and bring out an output called information.

It is a programmable machine designed to perform arithmetic and logical operations automatically and sequentially on the input given by the user and gives the desired output after processing and storage. The computer as a machine works on four components, namely: data input, data storage, data processing and information output.

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