What is the number of read-write heads in the drive for a 9- trac magnetic tape?

A. 9

B. 16

C. 18

D. 27

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which of the following is NOT one of the four major data processing functions of a computer?
  2. John Napier invented Logarithm in
  3. Which of the following is not true?
  4. Regarding data, computers are very good at
  5. EPROM can be used for
  6. Which of the following is considered first computer in the world?
  7. A memory that does not change its contents without external causes is known as
  8. Before a disk drive can access any sector record, a computer program has to provide the record's disk…
  9. The brain of any computer system is
  10. Which of the following is a read only memory storage device?
  11. The earliest calculating devices are
  12. Seek time is
  13. What does the disk drive of a computer do?
  14. Floppy disks typically in diameter
  15. which of the following is problem oriented language?
  16. RAM is used as a short memory because it is
  17. 174. When was the X window system born?
  18. A 32 bit microprocessor has the word length equal to
  19. The most important advantage of a video disk is
  20. Computer professionals working in a computer centre are
  21. Who invented Analytical engine?
  22. Which of the following is a feature of fifth generation computers?
  23. Can you tell what passes into and out from the computer via its ports?
  24. A computer system that is old and perhaps not satisfactory is referred to as a(n)
  25. The section of the CPU that selects, interprets and sees to the execution of program instructions
  26. A digital computer did not score over an analog computer in terms of
  27. Which of the following is used as a primary storage device?
  28. Which of the following storage device can store the largest amount of data?
  29. Web cam is an
  30. UNIVAC is