In simple terms, computer is a machine which can perform arithmetic or logical operations.

The word “**Computer**” comes from compute. **Compute** means “to calculate” and this term “compute” comes from Latin word “**computare**“.

*Computer definition*- Computer is an electronic machine which takes data as input, processes it and gives information as output.
*Digital computer definition*- A computer that represents discrete(digital) information by numerical (binary) digits is called a digital computer. Generally it uses binary number system and thus it can understand only 0 and 1.