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Colossus computer
English Wikipedia - The Free Encyclopedia
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Colossus computer
Colossus
was the name of a series of
computers
developed by British
codebreakers
in 1943-1945 to help in the
cryptanalysis of the Lorenz cipher
. Colossus used
thermionic valves (vacuum tubes)
and
thyratrons
to perform
Boolean
and counting operations. Colossus is thus regarded as the world's first
programmable
,
electronic
,
digital
computer, although it was programmed by plugs and switches and not by a
stored program
.
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