1940

By Icall
  • Complex Number Calculator

    Complex Number Calculator

    The inventor was George Stibitz. It was one of the first examples of remote access computing.
  • Atanasoff-Berry Computer

    Atanasoff-Berry Computer

    The inventor was Professor John Vincent Atanasoff. It was made to solve a patent dispute about the invention of the computer.This was the original idea of several basic computer ideas.

  • First Colossus operational at Bletchley Park

    This was designed by Tommy Flowers. It was designed to break the complex Lorenz ciphers used by Nazis in WW2.
  • Harvard Mark 1

    Harvard Mark 1

    This was conceived by Howard Aiken. It was a room sized, relay-based calculator that produced mathematical tables.
  • First Computer Program to Run on a Computer

    First Computer Program to Run on a Computer

    It was created by researchers Frederic Williams, Tom Kilburn, and Geoff Toothill. It was the first high-speed electronic random access memory for computers.