1. computer

A computer is an electronic device (machine) that accepts inputs (data), performs calculations, processes and manipulates your inputs, stores and outputs them (displays).

Computer can be divided into three parts

1.     Software

2.     Hardware

3.     Human ware

Computer Hardware

The term hardware refers to all of the physical devices and tangible components of a computer. A computer is not one single device, but a system of devices that all work together. Computer is divided into four units