Misham Warsi

  Computer :-  Computer is a machine for performing calculations automatically. A computer is a programmable machine that receives input, stores and manipulates data and provides output in a useful format.                       Input-Process-Output The computer may seem like a very complicated machine, but it basically does four simple tasks: input, process, store and output. Input Input means to put into something into computer. An Input device enables one to communicate with the computer. Input device are used to enter information and issue commands. Examples of input devices are the keyboard, mouse, scanners, video cameras and micro-phones. Process Information received from the input devices will then be processed in the Central Processing Unit (CPU). The CPU's job is to process instructions, perform  calculations and manage the flow of information through a computer system. The CPU not only communicates with t...