Any device that makes the task of computation easier is a computer. These type of computers existed from very long time. Evidence suggests that history of computer dates back to 20,000BC. During this time the computer was in the form of Tally sticks. Mechanical analog computers were invented around 1st century and during the medieval era were used mainly for astronomical calculations. More serious use of computers started around the second world war. During this time lot of innovations happened in computers and related technology. Computers during this time were huge and were the size of a large room. They also used to consume lot of power. Modern computers are based on Integrated circuits and are billion times more capable than the early machines. Personal computers are now available in various forms and have become icons of Modern world. This application will take you in a journey to the history of Computer.
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