Which of the following is not true for a magnetic disk?

A. It is expensive relative to magnetic tape

B. It provides only sequential access to stored data

C. Users can easily update records by writing over the old data

D. All of above

You can do it
  1. The computer that can input analog signals and return result in digital form
  2. Trackball is A________
  3. A term associated with the comparison of processing speeds of different computer system is:
  4. Which of the following is not input unit device?
  5. In what respect human beings are superior to computers?
  6. Which of the following is valid statement?
  7. The qualitative or quantitative attribute of a variable or set of variables is termed as
  8. Instruction in computer languages consists of
  9. Select the Odd one
  10. In _____ mode, the communication channel is used in both directions at the same time?
  11. Compression of digital data for efficient storage is
  12. A computer has very low failure rate because it uses electronic components. It produces very consistent…
  13. A ________ is an additional set of commands that the computer displays after you make a selection from…
  14. Magnetic disks are the most popular medium for
  15. Model 5100 was_____ in 1957.
  16. A song being played on computer speaker is
  17. Floppy disks typically in diameter
  18. in which year was UKs premier computing event called ?The which computer? started?
  19. Which statement is valid about magnetic tape?
  20. Mostly which of the following device is used to carry user files?
  21. A Compiler is
  22. The technology that stores only the essential instructions on a microprocessor chip and thus enhances…
  23. One millisecond is
  24. When did John Napier develop logarithm?
  25. Algorithm and Flow chart help us to
  26. Which of the following is not purely output device?
  27. What characteristic of read-only memory (ROM) makes it useful?
  28. The time required for the fetching and execution of one simple machine instruction is
  29. ENIAC uses
  30. The brain of any computer system is