The Evolution Of Computers.

The era of 20th and 21st century has witnessed rapid developments in science and technology influencing every aspect of human life. One of the greatest things that man has ever created is, perhaps, 'the Computer'. The computer is truly an amazing machine. Computer is being used in areas of administration, medicine, education, sports, defence, shops, home, markets and many more.

 Computer and Information Technology(IT), in recent years, has become an integral part of our life. We can see it almost everywhere.

A computer is an electronic machine that helps to process data. It is used to solve problems relating to almost all fields such as education, home, medicine, science and technology, research, designing publishing, communication etc.

A computer is an information-processing and  information-accessing tool. This means that a computer accepts some information or data from the outside world. It processes it to produce a new information.