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Colossus: Media

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Videos

How did the world's first programmable electronic computer work?
An overview of Colossus, the world's first large-scale electronic computer.
Video: Β© Open University (A Britannica Publishing Partner)

Images

The Colossus computer at Bletchley Park, Buckinghamshire, England, c. 1943.
Funding for this code-breaking machine came from the Ultra project.
Geoff Robinson Photography/Shutterstock.com