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Which device of computer operation dispenses with the use of the keyboard?

A. Joystick

B. Light pen

C. Mouse

D. Touch

You can do it
  1. Which of the following produces the best quality graphics reproduction?
  2. Which of the following computer is not invented by J.P. Eckert and John Mauchly?
  3. When was the world's first laptop computer introduced in the market and by whom?
  4. In 1999, the Melissa virus was a widely publicised:
  5. ________ computer is a medium sized computer
  6. Which is not a basic function of a computer?
  7. Coded entries which are used to gain access to a computer system are called
  8. ________ computer is small general purpose micro computer, but larger than portable computer
  9. Daisy wheel printer is a type of
  10. The word processing task associated with changing the appearance of a document is
  11. The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not…
  12. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
  13. While inserting a diskette into the diskette drive of a PC, the diskette's label side should face
  14. Instruction in computer languages consists of
  15. The word Abacus is derived from Abax, a word from
  16. ________ refers to electronic trespassing or criminal hacking.
  17. The computer size was very large in
  18. Which language is directly understood by the computer without translation program?
  19. Which device of computer operation dispenses with the use of the keyboard?
  20. Which is a semi conductor memory?
  21. Which of the following is a class of computers based on model?
  22. Which of the following memories need refresh?
  23. Codes consisting of light and dark marks which may be optically read is known as
  24. Office LANS, which are scattered geographically on large scale, can be connected by the use of corporate
  25. The Stepped Reckoner was invented by
  26. Which of the following is not a third generation computer?
  27. Computers built before the First Generation of computers were:
  28. Fifth generation computer is also known as
  29. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS…
  30. Which of the following is a storage device?