Computer Advances: 1940's-1950's

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  • Z3

    Z3
    Konrad Zuse invents Z3: A floating point binary arithmetic, used for aerodynamic calculations

  • Bell Labs Moddel II

    Bell Labs Moddel II
    Relay based calculator by George Stibitz: Used to assist testing of machine that aims large guns at targets and was programmable by paper tape

  • Mark 1

    Mark 1
    IBM and Howard Aiken make relay based calculator that produced mathematical tables and was 50 ft long

  • ENIAC

    ENIAC
    1st fully electronic general purpose, digital computer by John Mauchly and J. Presper Eckert

  • The Transistor

    The Transistor
    Bell Laboratories inventors Walter Brattain, William Shockley, and John Bradeen founded the transistor which allowed inventors to create electrical switches with solid materials in place of cauums