history of computers

  • First generation

    In 1937 the first electronic digital computer was built by Dr. John V. Atanasoff and Clifford Berry. It was called the Atanasoff-Berry Computer. In 1943 an electronic computer name the Colossus was built for the military.
  • 1946

    1946
    in 1946 the first general purpose digital computer, the Electronic Numerical Integrator and Computer was built. It is said that this computer weighed 30 tons, and had 18,000 vacuum tubes which was used for processing.
  • 1947 – 1962

    1947 – 1962 This generation of computers used transistors instead of vacuum tubes which were more reliable.
  • 1953

    In 1953 the International Business Machine (IBM) 650 and 700 series computers made their mark in the computer world. During this generation of computers over 100 computer programming languages were developed, computers had memory and operating systems.
  • 1963

    1963 - present - The invention of integrated circuit brought us the third generation of computers. With this invention computers became smaller, more powerful more reliable and they are able to run many different programs at the same time.
  • 1980-1981

    1980-1981
    In 1980 Microsoft Disk Operating System was made and in 1981 IBM introduced the personal computer for home.
  • 1984

    1984
    Apple introduces the Macintosh. The Macintosh was the first successful mouse-driven computer with a graphical user interface and was based on the Motorola 68000 microprocessor.
  • 1985

    Steve Jobs, forced out of Apple in 1985, founds a new company NeXT. The computer he created, an all-black cube was an important innovation.
  • 2007

    2007
    Nearly a quarter century after IBM launched their PC in 1981, they had become merely another player in a crowded marketplace. Lenovo, China's largest manufacturer of PCs, purchased IBM's personal computer business in 2005
  • 2010

    2010
    The iPad combines many of the popular capabilities of the iPhone, such as built-in high-definition camera, access to the iTunes Store, and audio-video capabilities, but with a nine-inch screen and without the phone. Apps, games.