Following are the objective questions from Computer Fundamentals Section. Computer Fundamentals section includes the topics such as history of computers, generation of computers, classification of computers, Computer Peripherals, Storage Devices, Computer Security Systems, Computer Viruses, Computer Networking, System Analysis and Design and so on.

Set - 4

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

Answers:

1. Which statement is valid about magnetic tape?
a. It is a plastic ribbon

2. The data recording format in most of the modern magnetic tape is
d. 8-bit EBCDIC

3. Which of the following is associated with error detector?
c. Both of the above

4. Tape speed is measured in
b. Inch per second

5. Magnetic disks are the most popular medium for
c. Both of above

6. Storage capacity of magnetic disk depends on
d. All of above

7. Reading data is performed in magnetic disk by
a. Read/write leads

8. Access time is
a. seek time + latency time

9. Seek time is
a. time to position the head over proper track

10. Latency time is
a. Time to spin the needed data under head

11. Floppy disks are available in
c. Both of above

12. Floppy disks typically in diameter
d. All of above

13. Hard disk is coated in both side above
a. Magnetic metallic oxide

14. Binary circuit elements have
b. Two stable state

15. Which statement is valid?
a. 1KB = 1024 bytes

16. Which statement is valid about computer program?
d. Both of above

17. Software in computer
a. Enhances the capabilities of the hardware machine

18. Which of the following is not computer language?
b. Medium level language

19. Which language is directly understood by the computer without translation program?
a. Machine language

20. Instruction in computer languages consists of
c. Both of above

21. Machine language is
d. All of above

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