Wartime photograph of part of a Colossus computer showing the Q panel, 1945. Colossus was a set of computers developed by British codebreakers in the years 1943-1945 to help in the cryptanalysis of the Lorenz cipher used by the German Army. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus is thus regarded as the world's first programmable, electronic, digital computer, although it was programmed by switches and plugs and not by a stored program. Colossus was designed by research telephone engineer Tommy Flowers. Alan Turing's use of probabilit
GLIX-115-2BE0JF7
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GLIX Prime
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Photo Researchers, Science History Images
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Wartime photograph of part of a Colossus computer showing the Q panel, 1945. Colossus was a set of computers developed by British codebreakers in the years 1943-1945 to help in the cryptanalysis of the Lorenz cipher used by the German Army. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus is thus regarded as the world's first programmable, electronic, digital computer, although it was programmed by switches and plugs and not by a stored program. Colossus was designed by research telephone engineer Tommy Flowers. Alan Turing's use of probabilit