Explore topic-wise MCQs in Computer.

This section includes 125 Mcqs, each offering curated multiple-choice questions to sharpen your Computer knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following is correct sequence of smallest to largest unit of storage size ?

A. Petabyte, Kilobyte, Megabyte, Gigabyte, Terabyte
B. Kilobyte, Megabyte, Terabyte, Petabyte, Gigabyte
C. Megabyte, Terabyte, Gigabyte, Kilobyte, Petabyte
D. Kilobyte, Megabyte, Petabyte, Terabyte, Gigabyte
E. Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte
Answer» F.
102.

A byte is a collection of

A. four bits
B. six bits
C. eight bits
D. ten bits
E. twelve bits
Answer» D. ten bits
103.

Which of the following is the smallest measure of storage ?

A. Terra byte
B. Gigabyte
C. Kilobyte
D. Megabyte
E. Byte
Answer» F.
104.

Kilobyte equals to how many bytes ?

A. 1000
B. 1035
C. 100
D. 1008
E. 1024
Answer» F.
105.

Which of the following statements is / are true ?

A. Cache memories are bigger than RAM
B. Cache memories are smaller than RAM
C. ROM are faster than RAM
D. Information in ROM can be written by users
E. None of the above
Answer» C. ROM are faster than RAM
106.

What is the main folder on a storage device

A. Root directory
B. Interface
C. Device driver
D. Platform
E. Main directory
Answer» B. Interface
107.

Where are programs and data to be used by the computer available ?

A. Processing unit
B. Output
C. Storage
D. Input
Answer» D. Input
108.

The ........ indicates how much data a particular storage medium can hold.

A. storage
B. access
C. capacity
D. memory
E. None of these
Answer» B. access
109.

A directory within a directory is called .........

A. mini directory
B. junior directory
C. sub directory
D. part directory
E. None of these
Answer» D. part directory
110.

Full form of MB is

A. microbytes
B. megabytes
C. minibytes
D. millibytes
E. kilobit
Answer» C. minibytes
111.

...... acts as temporary high speed holding area between the memory and the CPU thereby improving processing capabilities.

A. ROM
B. RAM
C. Temporary memory
D. Cache memory
E. Flash memory
Answer» E. Flash memory
112.

...... is the ability of a device to 'jump' directly t the requested data.

A. Sequential access
B. Random access
C. Quick access
D. All of the above
E. None of the above
Answer» C. Quick access
113.

Floppy disks are organised as

A. files
B. heads and folders
C. tracks and sectors
D. All of these
E. None of these
Answer» D. All of these
114.

The ....... is the amount of data that a storage device can move from the storage to the computer per second

A. data migration rate
B. data digitising rate
C. data transfer rate
D. data access rate
E. None of the above
Answer» D. data access rate
115.

Which media has the ability to have data / information stored (written) on them by users more than once ?

A. CD-R disks
B. CD-RW disks
C. Zip disks
D. Opti disks
E. CD-RW disks and Zip disks
Answer» C. Zip disks
116.

Volatility is a property of

A. computer networks
B. ROM
C. disk
D. software
E. RAM
Answer» F.
117.

Which of the following is a temporary primary memory ?

A. PROM
B. RAM
C. ROM
D. EPROM
E. None of these
Answer» C. ROM
118.

'FDD, stands for

A. Floppy Drive Detector
B. Floppy Drive Demodulator
C. Floppy Disk Drive
D. Floppy Demodulator Disk
E. None of the above
Answer» D. Floppy Demodulator Disk
119.

What does the computer abbreviation 'MB' used for ?

A. Megabit
B. Millionbytes
C. Megabytes
D. Millionbit
E. Microbytes
Answer» D. Millionbit
120.

Virtual memory allocates hard disk space to supplement the immediate, functional memory capacity of what ?

A. ROM
B. EPROM
C. The registers
D. Extended memory
E. RAM
Answer» F.
121.

A ....... is approximately a million bytes.

A. gigabyte
B. kilobyte
C. megabyte
D. terabyte
E. None of these
Answer» D. terabyte
122.

....... is having more memory addresses than are physically available.

A. Virtual memory
B. System software
C. Application software
D. RAM
E. Vertical memory
Answer» B. System software
123.

Which of the following is the high speed memory which compensates the gap in speeds of processor and main memory ?

A. Cache
B. PROM
C. EPROM
D. SRAM
E. None of these
Answer» B. PROM
124.

The data storage hierarchy consists of

A. Bits, Bytes, Records, Fields, Files and Databases
B. Characters, Fields, Records, Files and Databases
C. Bytes, Bits, Fields, Records, Files and Databases
D. Bits, Bytes, Fields, Records, Files and Databases
E. Other than those given as options
Answer» E. Other than those given as options
125.

Which among the following is another name for a group of 4 dits ?

A. Nibble
B. Byte
C. Kilo Byte
D. Mega Byte
E. Peta Byte
Answer» B. Byte