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NABTEB Computer Studies 2025 Objective — Question 5

Question 5 of 50 from the National Business and Technical Examinations Board (NABTEB) Computer Studies 2025 Objective paper, with the correct answer and a full explanation.

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A mechanical device that allows the operation of multiplication through repeated addition is the

  • A. Jacquard's Loom
  • B. Pascaline
  • C. Slide Rule
  • D. Stepped ReckonerCorrect

Explanation

The stepped Reckoner is a mechanical calculator invented by Gottfried Wilhelm Leibniz in the 17th century. It was capable of performing arithmetic operations, including multiplication, by using repeated addition through a series of mechanical steps.

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