Computer

A computer is a machine which manipulates data according to a list of instructions which makes it an best example of a data processing system.

Computers take many part of physical forms. Early electronic computers were the size of a large room, consuming as much power as several hundred present personal computers. Modern computers are based on comparatively tiny integrated circuits and are millions to billions of times more capable while occupying a little of the space. Today, simple computers may be made small sufficient to fit into a wrist watch and be powered from a watch battery. Personal computers in different forms are icons of the information age and are computer in use today is by remote the embedded computer. Embedded computers are small, simple devices that are often used to manage other devices — for example, they may be found in machines ranging from fighter aircraft to industrial robots, digital cameras, and even children's toys.