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c. Kindled. NeolithicIn which of the following year did Charles Babbage invented the Difference Engine?a. 1857b. 1821c. 1947d. 1927Alhinh of the following is a lightweight and hand-held computer designed for

Answer»

Charles Babbagebegan to construct a small difference engine in c. 1819 and had completed it by 1822 (Difference Engine 0).He announced his invention on June 14, 1822, in a paper to theRoyal Astronomical Society, entitled "Note on the economical. on of machinery to the computation of astronomical and mathematical tables". This machine used the decimal number system and was powered by cranking a handle. TheBritish governmentwas interested, since producing tables was time-consuming and expensive and they hoped the difference engine would make the task more economical.

1857 is the right answer

false !Charles Babbage invented difference Engine in 1821

b=1821 in 1821 Charles Babbage invented it

1857 is the correct answer



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