History of Computers

By SimbaReborn

  • Charles Babbage

    First automatic calculator
    Analytical engine

  • Herman Hollerith

    Tabulated Machine
    U.S. Cencus Bureau

  • Z1 Computer

    Created by Konrad Zuse.
    Mechanical calculator
    Inculded control unit and separate memory

  • Eniac

    First successful high speed elcontrionc digital computer.
    used 1800 vaccum tubes and was 1800 sq ft

  • 1st Generation Computers

    Vaccum tubes to store data

  • 2nd Generation computers

    Uses transistors to store data.

  • Univac

    Universal Automative Computer
    First computer to operate on magnetic tape
    Considered to be 1st generation.
    Never Sold

  • Jack Kilby

    Created intergrated circuits.
    enabled computers to become smaller and lighter.
    3rd Generation

  • 3rd Generation Computers

    Used intergrated circuits

  • BASIC

    Beginners All Purpose Symbolic Instruction Code
    Key language for PC
    Created Microsoft

  • 4th Generation Computers

    Microprocessors chips

  • Introduction of the GUI

    Graphical User Interface.
    Easier interaction.
    Not invented by computer people.
    Apple used it first.

  • Altair

    First personal computer
    No keyboard or monitor
    $395

  • Steve Jobs

    Created Apple

  • Apple 2

    Included color monitor, sound, game, and own storage.

  • Visicalc

    1st Elctronic spreedsheet application

  • WordStar`

    1st Word processing application

  • Bill Gates

    Developed MS-DOS

  • Osborne Computer

    First portable computer
    24.5 lbs

  • PageMaker

    1st Desktop publishing software

  • Excel

    1st Spreedsheets to tuse graphical user interface.

  • Mosaic

    Increased internet traffic by 350%

  • Netscape

    Wed browser
    Became free in 1998