Basic Concept of a Computer

by Muhammad Muddasar
(Pakistan)

A computer 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.


Computer components are divided into two major categories namely hardware and software.

Hardware is the machine itself and its connected devices such as monitor, keyboard, mouse etc.

Software are the set of programs that make use of hardware for performing various functions.

What is an Operating System? » Computer Shortcut Keys and their Functions » Keyboard Function Keys

What is an Operating System? » Computer Shortcut Keys and their Functions » Keyboard Function Keys

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