History of Computers

By ValerieChan

  • First Computers Invented

    First Computers Invented
    John V.Atana invented the first digital electronic computer in 1937.

  • Z3 Computer invented in secret

    Z3 Computer invented in secret
    The first fully operational electromechanical computer ever invented. The Z3 is a 22 bit floating point binary calculator.

  • Colossus Computer

    Colossus Computer
    The Colossus Computer was invented in Britain to decode German messages.

  • ENIAC

    ENIAC
    The ENIAC was the first general purpose computer.

  • Atlas

    Atlas
    The Atlas was developed was developed by William C. Norris, It was based on the code breaking computers in WWII.

  • Largest vacuum tube computer system

    The largest vacuum tube computer system ever built was the SAGE aircraft-warning system.

  • Mini Computer

    1968 - DEC introduced the first "mini-computer''.

  • The 'Winchester"

    IBM developed the first true sealed hard disk drive, called the "Winchester"

  • WWW

    World-Wide Web (WWW) was developed by Tim Berners-Lee and released by CERN.