computers over the years

By Leigh_Ann
  • Hewlett-Packard

    Hewlett-Packard

    David Packard and Bill Hewlett created the HP200a Oscillator.This rapidly became a popular peice of test equipment for engineers.
  • Complex Number Calculator (CNC)

    Complex Number Calculator (CNC)

    Bell Telephone Laboratories completes this calculator designed by George Stibitz in 1940.
  • Z3 computer

    Z3 computer

    Konrad Zuse finishes the Z3.The Z3 was an early computer built by German engineer Konrad Zuse working in complete isolation from developments elsewhere.The original Z3 was destroyed in a bombing raid of Berlin in late 1943.
  • Atanasoff-Berry Computer (ABC)

    Atanasoff-Berry Computer (ABC)

    The Atanasoff-Berry Computer was completed by John Vincent Atanasoff and Cliff Berry.
  • Harvard Mark-1

    Harvard Mark-1

    Harvard Mark-1 is completed. Conceived by Harvard professor Howard Aiken, and designed and built by IBM, the Harvard Mark-1 was a room-sized, relay-based calculator.
  • ENIAC

    ENIAC

    built by John Mauchly and J. Presper Eckert that improved by 1,000 times on the speed of its contemporaries.
  • EDSAC

    EDSAC

    Maurice Wilkes assembled the EDSAC, the first practical stored-program computer, at Cambridge University