The computer we used today as a result of the invention of calculation tool, which has evolved for a long time. Starting from the calculation tool machine first is "you" (Abacus) built in China, when approximately 2000-3 000 years ago,
until the2376 British mathematician named Charles Babbage (Charles Babbage) artificial analyzer (Analytical Engine) can be calculated of trigonometry. Various mathematical functions, the function of this machine is divided into 3 sections, to collect data.And the control system power steam engines rotate gears with data on punched card be calculated automatically and store information in the memory. Before you print out the paper.
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