the computer

THE COMPUTER:
Necessity is the mother of invention. The sayings hold true for computers also because computer were invented as a result of man's search for fast and accurate calculating device. Charles Babbage a nineteenth century professor at Cambridge university is considered to be the father of modern digital computers.
Computer is an electronic machine which is used for many purpose . It performs logical operations on inputs and brings froth accurate answers. According to size they can be distributed in many categories.
1. Super computer.
2. Main frame computer.
3. Mini computer.
4. Micro computer.
Their prices vary from billion of rupees down to a few thousands of rupees. Computers can further be classified into mono types, which are 
1. Digital
2. Analog.
3.Hybrid.
Now a day computer is used in government offices, banks, educational institution, hospitals and many other organizations computer are used mainly for the purposes of storage of facts and records. It is possible to talk to any one in any part of the world. Students can study in any university of the world while sitting in their home. All of these are great wonders of computers.
This history of computer can be divided into different generations. We are now living in the fourth generation of computers. The fifth generation is yet to come, a common perception is that will start with the creation and use of artificial intelligence. The future remains to be unseen, but one can give his own ideas of innovations..........