Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?

Who built the world's first electronic calculator using telephone rela

1.	Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?
A.	Claude Shannon
B.	Konard Zuse
C.	George Stibits
D.	Howard H. Aliken
E.	None of the above
Answer» D. Howard H. Aliken

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Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?

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