Introduction

The term 'Computer' is derive from the Latin word 'Computare'this means to calculate.

Computer is an advanced electronic device, which takes raw data as input from the user and processes these data under the control of set of instructions (called program) and gives the result (output). it also save output for the future use. it can both numerical and non-numerical (arithmetic and logical) calculations. It consists of 2 parts-hardware and software. Computer ,one of the most powerful machine today, is being used everywhere . let's discuss the uses of computer on various sectors of our society.