Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

If there are 100 tracks on each disk surface, there are ________ cylinders in the disk pack.

A. 99
B. 101
C. 100
D. 1000
Answer» D. 1000
Discussion
2.

Tracks are commonly divided into sections called _________.

A. Cells
B. Sectors
C. Both a and b
D. None of the above
Answer» C. Both a and b
Discussion
3.

The average seek time in most systems is

A. 10-100 milliseconds
B. 10-100 seconds
C. 10-100 minutes
D. 10-100 hours
Answer» B. 10-100 seconds
Discussion
4.

If a disk pack consists of 4 plates each having 2655 tracks having 125 sectors per track. Also, each sector can store 512 bytes, then, storage capacity is approximately.

A. 1 MB
B. 1 GB
C. 1 X 10^10 bytes
D. 10 GB
Answer» C. 1 X 10^10 bytes
Discussion
5.

The time taken for positioning the head on a specific track is called

A. Average time
B. Latency time
C. Seek time
D. None of the above
Answer» D. None of the above
Discussion
6.

For a 3.5 disk high density disk which has 80 tracks, 18 sectors/tracks, 512 bytes/sector, the disk storage capacity is approximately

A. 1.4 MB
B. 1.4 GB
C. 1.4 KB
D. None of the above
Answer» B. 1.4 GB
Discussion
7.

The rotational speed of a disk is measured in

A. Rotation per minute
B. Rotation per second
C. Rotation per hour
D. None of the above
Answer» B. Rotation per second
Discussion
8.

Which of the following is used as wildcards ?

A. /
B.
C. *
D. All of the above
Answer» D. All of the above
Discussion
9.

The size for the disk platters range between _________ in diameter.

A. 1 to 10 inches
B. 1 to 15 inches
C. 1 to 20 inches
D. 1 to 14 inches
Answer» E.
Discussion
10.

A zip disk has a capacity of about

A. 1 MB
B. 70 MB
C. 150 MB
D. 100 MB
Answer» E.
Discussion
11.

_________stores binary information using clocked sequential circuits.

A. RAM
B. SRAM
C. DRAM
D. ROM
Answer» C. DRAM
Discussion
12.

The next-generation evolution of DDR memory is

A. DDR1
B. DDR2
C. DDR3
D. DDR4
Answer» C. DDR3
Discussion
13.

_________ stores binary information in the form of electric charges that are applied to capacitors inside the chip.

A. RAM
B. SRAM
C. DRAM
D. ROM
Answer» D. ROM
Discussion
14.

DDR requires ________ volts to operate.

A. 1.8
B. 1.5
C. 2.5
D. 2.8
Answer» D. 2.8
Discussion
15.

Storage capacity of a tape is equal to the product of data recording density and ________.

A. Area of tape
B. Breadth of tape
C. Height of tape
D. Length of tape
Answer» E.
Discussion
16.

The data recording density is measured in

A. Bits per inch
B. Bytes per inch
C. Kilobytes per inch
D. Megabytes per inch
Answer» C. Kilobytes per inch
Discussion
17.

The speed of hard disk drive is measured in

A. Rotation per minute
B. Rotation per second
C. Rotation per hour
D. Rotation per day
Answer» B. Rotation per second
Discussion
18.

Inter-track gaps are used to separate the adjacent tracks so that the interference of magnetic fields is ________.

A. Minimized
B. Maximized
C. Expanded
D. None of the above
Answer» B. Maximized
Discussion
19.

Pen drive is a

A. Primary memory
B. Secondary memory
C. Cache memory
D. Internal memory
Answer» C. Cache memory
Discussion
20.

ROM is a

A. Read write memory
B. Volatile memory
C. Read only memory
D. All of the above
Answer» D. All of the above
Discussion
21.

How many MB of programs do system ROM chips store?

A. 1.44
B. 2
C. 4
D. 65,536
Answer» C. 4
Discussion
22.

The computer is beeping constantly after you’ve booted it. What’s a likely problem?

A. CPU
B. Registry
C. RAM
D. power supply
Answer» D. power supply
Discussion
23.

Which of the following components is read-only?

A. DRAM
B. hard disk
C. RAM
D. ROM
Answer» E.
Discussion