Defination of Computer

A programmable machine. The two principal characteristics of a computer are:

It responds to a specific set of instructions in a well-defined manner.

• It can excute a prerecorded list of instructions (a program).

computer is an electronic device that is able to process and retain information when programmed.

A computer is an electronic device that operates under the control of a set of instructions that is stored in its memory unit.

A computer accepts data from an input device and processes it into useful information which it displays on its output device.