Computer History

By DrGlaz
  • Jan 1, 1000

    Abacus

    Abacus
    200 BC First device known to carry out calculations

  • Pascaline

    Pascaline
    Invented by french dude, calculated sums.

  • math device

    math device
    Gottfried von leibniz invents a device that adds, subtracts, divides, multiplies.

  • Weave Via Punch cards

    Weave Via Punch cards
    French weaver finds that using punch cards he could 'program' his weaver

  • "Device Engine"

    "Device Engine"
    English mathematician invents 2 calculating machines - Difference Engine
    Analytical Engine

  • Electricity run punch card machine

    Electricity run punch card machine
    Used to calculate census data.

  • Mark 1

    Mark 1
    Punch cards fed into machine
    52 feet long
    50 tons
    750,000 parts

  • ENIAC

    ENIAC
    Built at univ of penn 18,000 vacuum tubes
    30 tons

  • UNIVAC

    UNIVAC
    built and sold to the US census bureau

  • invention of transistors

    invention of transistors
    faster, smaller, more reliable, more energy efficiant computers

  • First Microprocessor

    First Microprocessor
    CPU on a chip was invented

  • First Apple computer

    First Apple computer
    Built in a garage.
  • Period: to

    Computers become:

    Faster and more affordable

  • IBM PC

    IBM PC
    "personal computer" invented.