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Hard disk is coated in both sides with

A. Magnetic metallic oxide

B. Optical metallic oxide

C. Carbon layer

D. All of the above

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  1. A disadvantage of the laser printer is
  2. A computer assisted method for the recording and analyzing of existing or hypothetical systems is
  3. Abacus was the first
  4. Microprocessors as switching devices are for which generation computers?
  5. High level language is also called
  6. Cathode Ray Tube is a form of________
  7. Algorithm and Flow chart help us to
  8. A term associated with the comparison of processing speeds of different computer system is:
  9. VGA is
  10. ALU is
  11. The word processing task associated with changing the appearance of a document is
  12. What is required when more than one person uses a central computer at the same time?
  13. ASCII and EBCDIC are the popular character coding systems.What does EBCDIC stand for?
  14. The output quality of a printer is measured by
  15. The amount of vertical space between lines of text in a document is called
  16. Which of the following is/ are operating systems
  17. The report card and merit list forms the
  18. Which of the following controls the process of interaction between the user and the operating system?
  19. Which of the following is not electro-mechanical computer?
  20. Which converts the user data into machine readable form?
  21. IBM 1401 is the first computer to enter in Nepal. It belonged to
  22. Which of the following memories has the shortest access times?
  23. Which is not a computer classification?
  24. Which unit holds data permanently?
  25. Which 8-bit chip was used in many of today's TRS-80 computers?
  26. A modern electronic computer is a machine that is meant for
  27. BCD is
  28. Symbolic logic was discovered by
  29. Which of the following is the first computer to use Stored Program Concept?
  30. Pick the one that is used for logical operations or comparisons such as less than equal to or greater…