Introduction to Computer | ParikshaChakra

कंप्यूटर का परिचय
Introduction to Computer

Question 3 of 36

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Question 3

The first mechanical calculator was invented by ______.

A. (a) John Napier

B. (b) Gottfried Leibniz

C. (c) Blaise Pascal

D. (d) Charles Babbage

Explanation ब्लेज पास्कल ने 1642 में पहला मैकेनिकल कैलकुलेटर 'Pascaline' बनाया था।

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