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History of computers

  • Machine to caunt census

    Machine to caunt census
    Herman Hollereith, 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.
  • The first computer: ENIAC

    The first computer: 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 make5,000 additions and 300 multiplications per second.
  • Transistors

    The second generation of computer starts, wich 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, wich increased the processing capacity and reduced the size of the machines.
  • Microprocessor

    The microprocessor appears: a single integrated circuit in wich the basic elements of the computer meet. The first personal computers being to develop.
  • Apple I

    Apple I
    Steve Jobs and Steve Wozniak make the Apple I. This computer allowed users to see what they were doing on screen, unlike other models. Then an improved version called Apple II came, wich sold millions of units.
  • The IBM PC

    The IBM PC
    The IBM PC is on a sale as a home computer and revolutionizes computing. It increases the development of software an operating systems with wich computers run .
  • WWW or Web

    WWW or Web
    It apears the WWW or Web, one of the main internet service, wich makes the use of computers more useful in different areas.
  • Development of Smartphones

    Development of Smartphones
    The development of smartphones starts with the presentation of the Simon phone that included calendar, address book, world clock and calculator, among other functions.
  • Nokia 510

    Nokia 510
    A prototype tablet called Nokia 510 webtablet is introduced, with a 10 inches touch screen.