Define computer

In basic term, a computer is an  electronic device  that process data, converting  it into information  that is useful to a people.

In the simplest word we can say any device which can computer or calculate is also known as computer.      

  A computer is an electronic device that accept data in one from and process it to produce data  in other form.

A computer is a machine  which works under  the control  of stored program,automatically accept storing processing dating to produce information which is the result of that processing.