COMPUTER- OUR COMMON FRIEND

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 along story.Computer was not invented overnight.It took long time and hard labour to invent computer.A computer consist of five major components.They are the input unit ,the out put unite , 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 from machine. Computer is of great use of us .It renders great services to man. It is like Aladin's magic lamp .It has lessened our work load save time and energy and made our life easy and comfortable.We can not go a single time without computers It is part and parcel of our daily life. We can not spend a single day without computer. Nowadays it is a compulsary thing in officies, schools, colleges and many other places .It also save our pages . We can write our writings in computer .We can save many important things in computer's  memory.We can also get the answers of difficult maths  at a once by using computer . Children  can get their basic education by using computer.Students are also benefited from computer .It is a great invention for mankind .