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What was the computer invented by Atanasoff and Berry?

  • A.Mark I
  • B.ABC
  • C.Z3
  • D.None of above

Answer: B

Correct answer: ABC

John Atanasoff and his student Clifford Berry built the Atanasoff-Berry Computer at Iowa State between 1937 and 1942. It was the first machine to use binary arithmetic and electronic switching, though it was neither programmable nor fully automatic.

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