Computer (from Greek word ‘Compute’). It is a device that computes and performs high-speed mathematical or logical operations and assembles stores, correlates, and various types of processes information. It receives input, stores and manipulates data information and provides output in a useful format. In 1944 U.S.A scientist Charles Babbage has made computer first. Previously it was used as a counting machine only. But Modern computers based on integrated circuits are millions to billions of times more capable than the early machines and occupy a fraction of the space. Read More
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