Safalta Safalta Exam Preparation Online

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Neha Singh

UP Board 10th Class 2021 (For Hindi Medium Students)
About UP Board Crash Course
3 years ago
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Which of the following is the first calculating device? A. Abacus B. Calculator C. Turing Machine D. Pascaline

2 Answers
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SUNDARAM SINGH

3 years ago

Pascaline: Pascaline, also known as the Arithmetic Machine, was the first calculator or adding machine to be mass-produced and used. Blaise Pascal, a French mathematician, and philosopher conceived and built the Pascaline between 1642 and 1644.

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Smita Mishra

3 years ago

Abacus? ЁЯдФ

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