Computer

Computer

Computer is an ultra-modern electronic device for storing and analyzing information fed into it. The invention of computer has a long history. It took long time and hard labour to invent computer. A computer consists of five major components. They are the input unit, the output unit, the memory unit, the control unit and the arithmetic unit. The main part of the computer is central processing Unit, Monitor and the keyboard. Monitor works like a TV screen. The part called mouse may surprise Anwar but it is not a real mouse. It is called so because of its appearance. One can do different things by clicking on the icons with the mouse. 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 magic lamp. It has lessened our work loads, saved time and energy and made our life easy and comfortable. We cannot go a single moment without computers. It is part and parcel of our daily life.