You asked:

what did alan turing invent

  • Alan Turing is an inventor of computer, Turing test, Turing machine, Bombe and piece of software.
  • computer
    computer
    computer

  • Turing test
    Turing test
    Turing test

  • Turing machine
    Turing machine
    Turing machine

  • Bombe
    Bombe
    Bombe

  • piece of software
    piece of software
    piece of software