When was Pascaline invented?

A. 1617

B. 1620

C. 1642

D. 1837

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  12. Which electronic component was made out of semiconductor material?
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  15. A hybrid computer
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  19. The operating speed of third generation computer was
  20. The silicon chips used for data processing are called
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  22. Which of the following is first generation of computer
  23. Which of the following is a read only memory storage device?
  24. The term GIGO is related to
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