Computer History

By maria provard

  • Calculating Clock

    Calculating Clock
    Wilhelm Schickard designs the first known mechanical calculator, the "Calculating Clock" to multiply large numbers.

  • Mechanical Calculator

    Mechanical Calculator
    Samuel Morland builds a mechanical calculator that will add and subtract.

  • Leibnz

    Leibnz
    Leibniz introduces binary mathmatics.

  • Typewriter

    Typewriter
    The first typewriter is patented by William Austin Burt. It's slow and clumsy, but it's the first writing machine.

  • Telegraph

    Telegraph
    Samuel Morse demonstrates the principle of the telegraph.

  • Telegraphic Message

    Telegraphic Message
    Morse sends the first telegraphic message from Washington to Baltimore.

  • Atlantic Cable

    Atlantic Cable
    The first Atlantic cable is laid between the US and Europe. It only works for a few days before breaking, but by 1866 a sucessful cable is laid and will carry international communications for over 100 years.

  • Telephone

    Telephone
    Alexander Graham Bell invents the telephone.

  • Electric Typewriter

    Electric Typewriter
    IBM introduces the electric typewriter.

  • AT&T

    AT&T
    AT&T inaugrates the first microwave relay statoion for long distance telephone calls. This eliminates the need for long-distance trunk lines.