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History of computers

By jgrodriguezdiaz
  • IBM

    IBM

    Herman Hollerith, an American inventor, built a machine to count a census. It used punched cards and gears like the previous ones, but it worked with electricity.
  • ENIAC

    ENIAC

    introduced to the public. It was built at the University of Pennsylvania (USA) and operated with more than 17,000 vacuum tubes.
  • Transistor

    Transistor

    New programming languages such as COBOL and FORTRAN were developed.
  • Integrated circuits

    Integrated circuits

    begin to be used in the computers, which increased the processing capacity and reduced the size of the machines.
  • Microprocesso

    Microprocesso

    Single integrated circuit in which the basic elements of the computer meet.
  • Smartphones

    Smartphones

    Starts with the presentation of the Simon phone that included calendar, address book, world clock and calculator, among other functions.