COMPUTER

Computer is an ultra modern electronic device for storing and analysing information fed into it. It has no capacity to do anything by itself It works on the basis of commands given by the operator. The invention of computer has a long history. Computer was not invented overnight. It took long time and hard labour to invent computer. A computer consists of live major components. They are the input unit, the output unit, the memory unit, the control unit and the arithmatic unit. A computer performs three functions. Firstly, it receives data. Secondly, it processes data by various computations and the third is that it emits data. Every computer has a machine language of its own and accordingly it works. Machine language is not fixed. It varies from machine to machine. Computer is of great use to us. It renders great service to mankind. It is like Aladin's lamp. It has lessened our work loads, saved time and energy and made our life easy and comfortable. We can not go a single moment without computers. It is part and parcel of our daily life.