The history of computers

  • 1830

    1830
    Charles Babbage designs the Difference Engine, an early mechanical computer concept.
  • 1936

    1936
    Alan Turing proposes the Turing Machine, a foundational model for computation.
  • 1946

    1946
    The ENIAC becomes the first general-purpose electronic digital computer.
  • 1946

    1946
    The Colossus is built, the first programmable digital computer.
  • 1951

    1951
    The UNIVAC I is released, the first commercially available computer.
  • 1964

    1964
    IBM System/360 introduces standardized computer architecture.
  • 1971

    1971
    Intel 4004, the first microprocessor, is released.
  • 1981

    1981
    IBM PC launches, setting the standard for personal computers.
  • 1984

    1984
    Apple Macintosh introduces the first successful GUI-based computer.
  • 1991

    1991
    World Wide Web is launched, making the internet widely accessible.
  • 2007

    2007
    Apple iPhone revolutionizes mobile computing.