History of computers

By nereku39
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    first generation

    1st generation developed from 1942-1955.
    It has a valcum tube and It is very large and expensive.
    The name of 1st generation of computers is ENIAC.
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    Second Generation

    2nd generation developed from 1956-1664.
    Here used transitors insated of valcum tubes.
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    Third Generation

    3d generation developed from 1965-1975.
    Integrated circuit made; faster, cheaper and smaller than second generation
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    Fourth Generation

    4th generation computers developed from 1976 to present.
    It has a microprocess of silicon chip.
    They use less electriciry than the previous ones.
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    Fifth Generation

    They are the most advance computers.
    The artificial inteligents now are thing. And robots works on this.