History of Computing quiz
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Who designed the Apple I?
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More questions about History of Computing
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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What flaw caused the Y2K bug?
Answer: Two-digit years
Why: A different flaw, counting seconds since 1970 in a signed 32-bit number, will trip up some systems in January 2038.
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Where was Microsoft founded in 1975?
Answer: Albuquerque
Why: Only in 1979 did the company move to the Seattle area, setting up in Bellevue.
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Why was the Cray-1 supercomputer built in a C-shape?
Answer: Shorter wire lengths
Why: Electrical signals travel through copper at a finite speed, so keeping wires under four feet minimized delay at 80 MHz.
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What insect jammed a Harvard computer's relay in 1947?
Answer: Moth
Why: The logbook, with the moth still taped to its page, is now held by the Smithsonian's National Museum of American History.
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What did the Jacquard loom read to weave its patterns?
Answer: Punched cards
Why: A silk portrait of Jacquard himself, woven on one of his looms, needed about 24,000 punched cards.
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When did Babbage's Difference Engine No. 2 first calculate?
Answer: 1991
Why: The printing unit, which holds half of the engine's 8,000 parts, was not finished until 2002.
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