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This is an early computation device used in the 12th century by the Chinese.

Question 1:

This is an early computation device used in the 12th century by the Chinese.

A. Abacus

B. Pascaline

C. Napiers Bone

D. Jacquards Loom

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Trivial Practice Quiz science-technology - Test 82 | Englishfreetest.com

30 minutes
15 questions