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Colossus: The secrets of Bletchley Park s codebreaking computers
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The American ENIAC is customarily regarded as the first electronic computer. In this fascinating volume, Jack Copeland rewrites the history of computer science, arguing that in reality Colossusthe giant computer built in Bletchley Park by the British secret service during World War IIpredates ENIAC by two years. Until very recently, much about the Colossus machine was shrouded in secrecy, largely because the codebreaking algorithms employed during World War II remained in use by the British security services until a short time ago. Copeland has brought together memoirs of veterans of Bletchley Parkthe topsecret headquarters of Britain s secret serviceand others who draw on the wealth of declassified information to illuminate the crucial role Colossus played during World War II. A must read for anyone curious about codebreaking or World War II espionage, Colossus offers a fascinating insider s account of the world s first giant computer, the greatgreatgrandfather of the massive computers used today by the CIA and the National Security Agency.
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