Computer

History of Computers

By 15jbrown1

  • The Calculating Clock

    The Calculating Clock
    The calculating clock is invented. It is the first mechanical calculator.

  • Binary mathematics first used

    Binary mathematics first used
    Binary mathematics are discovered and researched. This layed the foundation for all future digital computing.

  • First sold calculator

    First sold calculator
    Phillip-Malthus Hahn sells a small number of his calculating device.

  • The first use of punch cards

    The first use of punch cards
    punch cards are first used to reproduce complex patterns on an automatic loom.

  • First Mass Produced Calculator

    First Mass Produced Calculator
    first mass produced calculator, was sold in large numbers and used for many years.

  • Binary mathematics are first used in computing

    Binary mathematics are first used in computing
    They were used in an electro-mechanical calculator.

  • First punch card data processing machine

    First punch card data processing machine
    Dr Herman Hollerith builds the first punch card electro-mechanical data processing machine.

  • The z-1 was completed

    The z-1 was completed
    The z-1 was completed.

  • Pascal the first programming language

    Pascal the first programming language
    Pascal, the first programming language, is invented.

  • The Antikythera Device

    The Antikythera Device
    The first lunar calculator. It was made in Greece, and is important because it is the first mechanical calculator