Computer Science Illuminated
Computer Science Illuminated
7th Edition
ISBN: 9781284155617
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 1, Problem 1E
Program Description Answer

The first gear-driven mechanical machine that does addition and subtraction is built and sold by the French mathematician Blaise Pascal.

Hence, the correct option is “B”.

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Explanation of Solution

Gear-driven mechanical machine:

  • Gear-driven machines are used to perform basic arithmetic operations automatically.
  • First gear-driven mechanical machine was invented in the middle of seventeenth century.
  • Blaise Pascal is the inventor of this machine.
  • This machine could do addition and subtraction of whole numbers.

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