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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  1. Which is a device that changes information into digital form?
  2. The storage subsystem in a microcomputer consists mainly of or media with varying capacities
  3. The notable features like keyboards, monitors, GUI were developed in
  4. An output device that uses words or messages recorded on a magnetic medium to produce audio response…
  5. Different components of the motherboard of a PC unit are linked together by sets of parallel electrical…
  6. A hybrid computer
  7. When did John Napier develop logarithm?
  8. The task of performing operations like arithmetic and logical operations is called
  9. A number which is stored and processed but not in the standard exponential form is called
  10. All of the following are examples of storage devices EXCEPT:
  11. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
  12. Computers process data into information by working exclusively with :
  13. The output quality of a printer is measured by
  14. Which of the following is a storage device?
  15. To locate a data item for storage is
  16. Which of the following is not computer language?
  17. Before a disk can be used to store datA. It must be
  18. A register organized to allow to move left or right operations is called a ____
  19. Which device can understand difference between data & programs?
  20. Trackball is A________
  21. A system is
  22. What is a compiler?
  23. ________ represents raw facts, where-as________ is data made meaningful.
  24. Any type of storage that is used for holding information between steps in its processing is
  25. Which is not a basic function of a computer?
  26. A group of magnetic tapes, videos or terminals usually under the control of one master is
  27. A computer program that converts an entire program into machine language at one time is called a/an
  28. The time for which a piece of equipment operates is called
  29. Today's computer giant IBM was earlier known by different name which was changes in 1924. What was that…
  30. The ALU of a computer responds to the commands coming from