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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. Which of the following is true?
  2. Modern Computers are very reliable but they are not
  3. Which is used for manufacturing chips?
  4. What is the other name for programmed chip?
  5. Hardware or software designed to guard against unauthorized access to a computer network is known as…
  6. Which language is directly understood by the computer without translation program?
  7. In order to play and hear sound on a computer, one needs:
  8. Which is considered a direct entry input device?
  9. Cursor is a
  10. Chief component of first generation computer was
  11. The actual execution of instructions happens in
  12. A directly accessible appointment calendar is feature of a resident package
  13. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  14. A computer program that converts assembly language to machine language is
  15. What is the name of the display feature that highlights are of the screen which requires operator attention?
  16. In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris…
  17. A device invented by Dr. Bobeck in 1966, for mass storage of data is
  18. COBOL is widely used in application s
  19. UNIVAC is
  20. The capacity of 3.5 inch floppy disk is
  21. Which of the following does not affect the resolution of a video display image?
  22. Which was the most popular first generation computer?
  23. Which statement is valid about interpreter?
  24. The personnel who deals with the computer & its management put together are called
  25. Which is not a comptuer of first generation?
  26. What is required when more than one person uses a central computer at the same time?
  27. The two kinds of main memory are:
  28. Find out who is not the inventor of transistors among following names
  29. RJ45 UTP cable has _____ Cables.
  30. The list of coded instructions is called