Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

A. Napier

B. Babbage

C. Pascal

D. Leibniz

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  2. Word length of a Personal Computer is
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  15. Which device is used to backup the data?
  16. Integrated Circuits (Ics) are related to which generation of computers?
  17. Which method is used to connect a remote computer?
  18. A hybrid computer
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  20. The typical computer criminal is a(n):
  21. A device that connects to a network without the use of cables is said to be-
  22. MSI is the abbreviation of
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