Ibm pc 5150

HISTORICAL COMPUTER

By jmartinezp

  • 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.

  • Transistors

    Transistors
    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.

  • Integrated circuits

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