History of Computers

  • First known calculator

    By: Wilhem shickard
  • First mass produced calculator

    By: Thomas de Colmar
  • First tipewriter

    Patteted by: William Auston Burt
  • First adding machine with a printer

    By: Burroughs
  • Magnetic recording is invented

  • The vacume toob is invented

    By: William de Frost
  • The electric typewriter is invented

    By: IBM
  • The Z1 Calculating machine is invented

    By: Konrad Zuse
  • The Z4 is finished

    By: Konread Zuse
  • Junction translator

    By: William Shockley