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.