Question

18. Inspired by Napier’s bones, William Oughtred invented a device called

_____________________. (Multiplier wheel/ slide rule)

19. Gottfried Leibnitz modified the Pascaline and introduced a new machine, which

could even do multiplication and division. It was called _________________.

(Multiplier wheel/ slide rule)

20 _________________________ is called the father of the computer. (Blaise

Pascal / Charles Babbage​

Answer 1

• Inspired by Napier’s bones, William Oughtred invented a device called Slide rule. (Multiplier wheel/ slide rule)

• Gottfried Leibnitz modified the Pascaline and introduced a new machine, which could even do multiplication and division. It was called Multi wheel . (Multiplier wheel/ slide rule)

• Charles Babbage is called the father of the computer. (Blaise Pascal / Charles Babbage

Answer 2

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