Computerhistory

History of Computers

By jjgoesrawrr
  • Abacus
    Jan 1, 1500

    Abacus

    First device known to carry calculations. (Addition+Subtraction)
  • Pacaline

    Pacaline

    Made by Blaise Pascal in 1642. COuld calculate sums up to eight numbers long.
  • Multiplacation + Divison Device

    Multiplacation + Divison Device

    Device that contains Multiplication, Division, Addition and Subtraction is made by Gottfried con Leibniz.
  • French Weaver

    French Weaver

    Joseph Jacquard invents a machine which did something with holes and weaving and stuff.
  • First Computers

    First Computers

    Charles Babbage made two computerss
  • Electric Machine by herman Hollerith

    Electric Machine by herman Hollerith

    Electric machine that ran on electricity and used ounched cards to store data. Vwery sucessful
  • Mark I

    Mark I

    made by IBM at HU was 52 ft long, weight 50 mtons and had 750k parts.
  • UNIVAC

    UNIVAC

    Built and sold to U.S. Census Bureu.
  • Transistor invented

    Transistor invented

    The transsistor is made and makes all computers smaller and more reliable.
  • First Apple computer

    First Apple computer

    First Apple computer is made by Steven Jobs and Stephen Wozniak in their own garage.
  • First PC

    First PC

    Made By IBM