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Why Build Colossus? (Bill Tutte) - Computerphile

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Colossus & Other Early Computers

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How the Modern Computer Was Invented...By Accident

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Ferranti Atlas: Britain's first supercomputer

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Colossus at 70

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Colossus: The Forbin Project (1970) - Official Trailer (HD)

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Colossus: The World's First Large-Scale Electronic Digital Computer - Part 1 | Bletchley Park

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This Is How Alan Turing’s Code Beat WWII Germany (and it's genius) | Cracking the Enigma