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HISTORY OF COMPUTER

By shujeydepaez

  • 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. His company grew to become the first computer manufacturer in the world: IBM.

  • ENIAC

    ENIAC
    The first computer called ENIAC is introduced to the public. It was built at the University of Pennsylvania (USA) and operated with more than 17,000 vacuum tubes. It could make 5,000 additions and 300 multiplications per second.

  • TRANSITORS

    TRANSITORS
    The second generation of computers starts, which used transistors to process information instead of vacuum tubes. New programming languages such as COBOL and FORTRAN were developed.