History of Computers

  • Pascaline

    Pascaline

    Calculater invented by Blaise Pascal
  • Period: to

    History of Computers

  • Stepped Reckoner Invented by Leibnitz

    Stepped Reckoner Invented by Leibnitz

    Calculator-Add, Subtract, Multiply, and Divide
  • Jacquardes Loom (punched cards)

    Jacquardes Loom (punched cards)

    He was a weaver
  • Charles Babbage (Difference and Analytical Engine)

    Charles Babbage (Difference and Analytical Engine)

    Father of modern computers
  • Lady Lovelace

    Lady Lovelace

    Worked with Babbage; First comp. programmer
  • Herman Hollerith's Electronic Tabulating Machiene

    Herman Hollerith's Electronic Tabulating Machiene

    Helped the Cencus
  • Vacuum tubes (First gen. of Computers)

    Vacuum tubes (First gen. of Computers)

    Leede Forest; Audion
  • The Atanasoft Berry Computer (ABC)

    The Atanasoft Berry Computer (ABC)

    1st Electronic digital computer
  • Harvards Mark 1; Howard Aiken

    Harvards Mark 1; Howard Aiken

    Automatic Sequence Controlled calculator
  • Dr. Grace Murray Hopper

    Dr. Grace Murray Hopper

    First "bug" found in computer; worked with Aoward Aiken
  • ENIAC

    ENIAC

    Eckert and Mauchly Penn. University; ENIAC was huge but only prosessed small data
  • Transistor (second gen. of computers)

    Transistor (second gen. of computers)

    William Shockley
  • Integrated circuit (Third gen. of computers

    Integrated circuit (Third gen. of computers

    Jack Kibly; Microchip
  • Microprocessor (Fourth gen. of computers)

    Microprocessor (Fourth gen. of computers)

    M.E. Tedd Hoff
  • Floppy Disc

    Floppy Disc

    Alan Schugart and IBM; Nicknamed Floppy for its flexibility
  • Ethernet

    Ethernet

    Robet Metcalfe and Xerox; Networking
  • Gary Kildoll

    Gary Kildoll

    Pioneer in computers, invented the first operating system for microcomputers