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
11. Floppy disks are available in
a. Single side single density
b. Single side double density
c. Both of above
d. None of above
12. Floppy disks typically in
diameter
a. 3”
b. 5.25”
c. 8”
d. All of above
13. Hard disk is coated in both side
above
a. Magnetic metallic oxide
b. Optical metallic oxide
c. Carbon layer
d. All of the above
14. Binary circuit elements have
a. One stable state
b. Two stable state
c. Three stable state
d. None of above
15. Which statement is valid?
a. 1KB = 1024 bytes
b. 1 MB=2048 bytes
c. 1 MB = 1000 kilobytes
d. 1 KB = 1000 bytes
16. Which statement is valid about
computer program?
a. It is understood by a computer
b. It is understood by programmer
c. It is understood user
d. Both of above
17. Software in computer
a. Enhances the capabilities of the hardware
machine
b. Increase the speed of central processing
unit
c. Both of above
d. None of above
18. Which of the following is not
computer language?
a. High level language
b. Medium level language
c. Low level language
d. All of the above
19. Which language is directly
understood by the computer without translation program?
a. Machine language
b. Assembly language
c. High level language
d. None of above
20. Instruction in computer
languages consists of
a. OPCODE
b. OPERAND
c. Both of above
d. None of above
21. Machine language is
a. Machine dependent
b. Difficult to program
c. Error prone
d. All of above
11-a 2-d 3-c 4-b 5-c 6-d 7-a 8-a 9-a 10-a 11-c 12-d 13-a 14-b 15-a 16-d 17-a
18-b 19-a 20-c 21-d