history of computers

By astrid cobos
  • 1.

    1.

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    first generation

    The first was the ABC (Atanasoff-Berry Computer), created in the USA by John Vincent Atanasoff and Clifford E. Berry, and it was not programmable.
    was very large and expensive computers
    they use vacum tubes
  • ENIAC

    ENIAC

    ENIAC ( Electronic Numerical Integrator And Computer) was created by John Presper Eckert and John William Mauchly, was the first electronic computer
  • 2.

    2.

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    second generation

    the name was BM 350
    the computer that introduced disk storage technology to the world
    they have transitor instead vacum tubes
  • 3.

    3.

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    third generation

    Italian inventor Pier Giorgio Perotto designed a computer called Programma 101.
    it has integrated circuits
    was smaller and chaper
  • 4.

    4.

  • Period: to

    fourth generation

    The IBM 5100 was a desktop computer introduced
    it has microprocessors and was smaller
  • 5.

    5.

  • Period: to

    fifth generation

    it have AI robots and is the fastest computer