4) What is the name of the First Programmable Computer?
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ABACUS
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COLOSSUS
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Difference Engine
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LISA
B
Correct answer
Explanation
The COLOSSUS (1943-1944) was the first programmable electronic computer, developed at Bletchley Park to break German Lorenz cipher codes during WWII. The ABACUS is ancient mechanical device, Difference Engine was mechanical (1837), and LISA was an Apple computer from 1983.