Hard disk is coated in both sides with

A. Magnetic metallic oxide

B. Optical metallic oxide

C. Carbon layer

D. All of the above

You can do it
  1. ________are specific to users' needs
  2. In a punched card system, data is processed by a
  3. Which of the following languages is more suited to a structured program?
  4. The device used to carry digital data on analogue lines is called as
  5. The original ASCII code used__bits of each byte, reserving that last bit for error checking
  6. Which of the following file organization is most efficient for a file with a high degree of file activity?
  7. Microprocessors can be used to make
  8. Who invented the high level language C?
  9. Computers manipulate data in many ways, and this manipulation is called________
  10. Is an OOP principle
  11. Which of the following is not anti- viruses' software?
  12. Which of the following was a special purpose computer?
  13. Slide Rules was invented in
  14. Any storage device added to a computer beyond the immediately usable main storage is known as
  15. Which access method is used to access cassette tape?
  16. A ________ is a microprocessor -based computing device.
  17. Who invented Mark I?
  18. The full form of ALU is
  19. Where does most data go first with in a computer memory hierarchy?
  20. Mini computers and micro computers are from which generation of computers?
  21. An operating system intended for use on microprocessor based systems that support a single user is
  22. Instructions and memory address are represented by
  23. The organization and interconnection of the various components of a computer system is
  24. A digital computer did not score over an analog computer in terms of
  25. FORTRAN is
  26. Word length of a Personal Computer is ___
  27. The octal equivalence of 111010 is
  28. Reading data is performed in magnetic disk by
  29. RATS stand for
  30. The term ________ designates equipment that might be added to a computer system to Enhance its functionality.