Computer is the most wonderful invention of modern science. It is a born to human civilization. It has become an inseparable part of modern life. Computer is an electronic device which performs mathematical calculation,stores large masses of information and supplies them time of need. Charles Babbage first invented modern computer.Then professor Howard Aiken gave it a revised and modern shape.Now it can perform complicated problems,diagnose diseases,perform complicated medical operations, run business and so on.Computer is now widely used in industries.Computer is now used in all sectors of life.It is widely used in the field of space administration,telecommunication,air traffic control navigation of ships.Infact computer is doing a great job by substituting human brain and preventing misuse of time and energy.
