Define Computer?

 Computer is an electronic device used to solve different problems according to set of instructions given to it. A computer can accept data, process data into usefulinformation and store it for later use.

the word computer is derived from compute that means to calculate. Computer can be used as a calculating machine to produce resultsb at a very high speed. However calculations is not the only use of computer.it has changed the way of life. People used the computer to solve different problems.

Computers are available in different shapes and sizes.