Computer Science Ques 94

Question: Which of the following can only have sequential access?

Options:

A) Disk

B) Tape

C) CD-ROM

D) DVD-ROM

E) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

  • Magnetic tape is a type of sequential secondary storage medium, now used primarily for storing backups. If the computer needs to read data from the middle of a reel of tape. it must first Pass all the tape before the desired piece of data. eg, to get to point ?q? on the tape. The tape. Drive needs to pass through points ‘a’ through ‘p’.
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