Computer is the most wonderful contribution of modern science .it is an ultra modern electronic device of modern technology. But it has no ability to do anything by itself. It works on the basis of commands given by the the operator. It can solve many complicated problem within a short time.
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Computer is invented by the hard work of many scientists. Charles Bavez is called the father of modern computer. He invented the structure of computer at first in 1833. His mill control Input and output. By following the structure of computer of bavez Harvard University and i b m company combindly invented the modern electric computers in 1944. after this, it has been rapidly modyfied and many other computers have been invented.A computer performs three function. It receives data , processes it and at last emits it. At first the details of work is out into the Input of the computer. It is called programme . The computer does not work in out language . So the programme is to put in its own language . This programme is typed and produced in the tele-type unit of the printing machine . Computer is very useful to us . It is used in our daily live for various purposes . It has made a gate change in education . The students app developed countries use computer to prepare their study materials. The result of verious examination is prepared accurately by computer within a short time. Besides printing thousands of books within a short time . computer contribute a lot in education.