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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Switchboard or Plug Board
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Punch Tape
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Manually turned dials
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A keypad
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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, the world’s first electronic computer, had a single purpose: to help decipher the Lorenz-encrypted (Tunny) messages between Hitler and his generals during World War II. The Colossus Gallery houses the rebuild of Colossus and tells that remarkable story.
Detailed explanation-3: -The wheels worked together in two sets, one set rotating all the time, the other moving intermittently. The wheel settings and rotations worked together to create a complex cipher. Colossus machine No. 7 installed in Block H at Bletchley Park, in around April 1945.