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what is the first computing machine invented ?

Computer Studies
JAMB 2023

what is the first computing machine invented ?

  • A. slide rule
  • B. Pascal calculator
  • C. Napier bones
  • D. Abacus
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Correct Answer: Option D
Explanation

The Abacus was invented between 2700 and 2300 BC, it is the first computing machine known to mankind.

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