HIstory of Computers

By flipparoo
  • Jan 1, 724

    Mechanical Clock

    Mechanical Clock
    The first fully mechanical clock was invented by Liang Ling-can. It was actually a mechanized water clock, to be specific. I feel this is important because people are starting to mechanize their work.

  • Mechanical Calculator

    Mechanical Calculator
    Wilhelm Schickard designed the first mechanical calculator. It was the only one known at the time to be able to multiply large numbers. This is important because the inventions are becoming more practical to people using them.

  • Advanced Calculator

    Advanced Calculator
    Gottfried Leibnez invents a type of calculator, that is cylindrical in shape, that can add AND multiply numbers. It is called the"Stepped Reckoner". The importance of this is that inventions are starting to be added on to to be made better.

  • Arithmometer

    Arithmometer
    The first mass produced calculator. Invented by Charles Xavier. This is important because this is an invention that is actually being given to people, not just the inventor.

  • Typewriter

    Typewriter
    First typewriter is patented by William Austin Burt. This invention is significant because it means people can share the work that they are creating on their mechanized devices.

  • Telegraph

    Telegraph
    Telegraph is invented. This inventions importance is that it can send messages over a broad area if the line is long enough.

  • Comptometer.

    Comptometer.
    Dorr E. Felt invents the comptometer. It is operated by pressing keys. It's significance is that the inventor is getting the idea of keys, which has been a major component of the computer

  • Complex Number Calculator

    Complex Number Calculator
    The CNC is completed by Bell Telephone Laboratories. This is important because it is the first demonstration of remote access computing.

  • Stored-Program Computer

    Stored-Program Computer
    Maurice Wilkes invents the first practical stored-program computer. This is of major significance because you could store short-programs on this computer, unlike those before it.

  • The Alto

    The Alto
    Xerox Palo Alto Research Center designed the Alto, a computer with a built- in mouse for input. This is important because the Alto stores several files simultaneously in windows, offers menus and icons, and can link to a local area network