The first mechanical calculator was invented in
A. 1958
B. 1642
C. 1658
D. 1972
E. None of the above
Answer: Option B
Solution(By Examveda Team)
The invention of the mechanical calculator. Blaise Pascal invented a mechanical calculator with a sophisticated carry mechanism in 1642. After three years of effort and 50 prototypes he introduced his calculator to the public. He built twenty of these machines in the following ten years.This Question Belongs to Computer Fundamentals >> Computer Fundamental Miscellaneous
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