COMPUTER HISTORY AND EVOLUTION
DEVELOPMENT OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Harvard Mark I
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Colossus Mark I
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ENIAC
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Analytical Engine
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Detailed explanation-1: -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.
Detailed explanation-2: -Colossus Computer Colossus used thermionic valves (vacuum tubes) to perform Boolean operations and calculations.
Detailed explanation-3: -The Colossus was developed in 1943 by engineer Tommy Flowers, based on plans by the mathematician Max Newman. It was designed to decode the encrypted transmissions from the German teleprinter Lorenz cipher.
Detailed explanation-4: -Re “When Computers Were Born” (Feb. 7): ENIAC in 1946 was not the world’s first electronic computer. British military intelligence built one in December 1943, called the Colossus to decipher German military codes produced by [the coding machine] Enigma.