1. Which statement is valid about magnetic
tape?
A. it is a plastic ribbon
b. It is coated on both sides with iron oxide
c. It can be erased and reused
d. All of above
2. The data recording format in most of the
modern magnetic tape is
a. 7-bit ASCII
b. 7-bit EBCDIC
c. 8-bit ASCII
d. 8-bit ebcdic
3. Which of the following is associated with
error detector?
a. Odd parity bit
b. Even parity bit
C. both of the above
d. None of above
4. Tape speed is measured in
a. Feet per second
B. inch per second
c. Meter per second d.
Centimeter per second
5. Magnetic disks are the most popular medium
for
a. Direct access
b. Sequential access
c. both of above
d. None of above
6. Storage capacity of magnetic disk depends
on
a. tracks per inch of surface
b. bits per inch of tracks
c. disk pack in disk surface
d. all of above
7. reading data is
performed in magnetic disk by
A.
Read/write leads
b.
sectors
c.
track
d.
lower surface
8. Access time is
A. seek time + latency time
b. seek time
c. seek time – latency time
d. latency time
9. seek time is
a. Time to position the head over proper track
b. time to position the head over proper
sector
c. time to position the head over proper
cylinder
d. none of above
10. Latency time is
A. time to spin the needed data under head
b. Time to spin the needed data under track
c. Time to spin data under sector
d. All of above
1-A,2-D,3-C,4-B,5-C,6-D,7-A,8-a,9-a,10-A
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