Colossus MK II

Set of computers developed by British codebreakers from 1943-1945

  • Designed by research telephone engineer Tommy Flowers to solve a math problem
  • the world’s first programmable, electronic, digital computer
  • quintupled the processing speed by using shift registers
  • Prototype MK I was working in 1943, MK II in 1944. Used shift registers to quintuple processing speed.
  • first multipurpose computer
  • Allowed the Allies to obtain a high amount of military information and hidden till 1970s
  • First of the electronic digital machines with programmability, set a precedent for years to come
  • Refrences