1930s-1940s

By van32202
  • Period: to

    1930s-1950s

  • Vannevar Bush creates the differential analyzer

  • First Telephone Call Around the World

  • The Idea of the Electronic Computer is Born

  • Transistor Invented

  • "A Symbolic Analysis of Relay and Switching Currents" published

  • World War II Begins

  • "A Mathematical Theory of Communication" published

  • "Communication Theory of Secrecy Systems" published

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