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.

1.

The clock rate of a processor is measured in

A. megabytes or gigabytes
B. milliseconds
C. megahertz or gigahertz
D. nanoseconds
E. microhertz
Answer» D. nanoseconds
2.

A disk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is .............

A. Memory-only
B. write-only
C. Read-only
D. Run-only
E. Non-changeable
Answer» D. Run-only
3.

The term......... refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.

A. retrieval technology
B. input technology
C. output technology
D. storage technology
E. none of these
Answer» E. none of these
4.

Which of the following is a storage devices that uses rigid, permanently installed magnetic disks to store data / information ............?

A. Floppy diskette
B. Hard disk
C. Permanent disk
D. Optical disk
E. None of these
Answer» C. Permanent disk
5.

Which of the following are the advantage of CD-ROM as a storage media ?

A. CD-ROM is a n inexpensive way to store large amount of data and information
B. CD-ROM disks retrieve data and information more quickly than magnetic disks do
C. CD-ROMs make less errors than magnetic media
D. All of the above
E. None of the above
Answer» B. CD-ROM disks retrieve data and information more quickly than magnetic disks do
6.

A CD-RW disk...

A. Has a faster access than an internal disk
B. Is a form or optical disk so it can only be written once
C. Holds less data than a floppy disk
D. Can be erased and rewritten
E. None of the above
Answer» E. None of the above
7.

The size of any word / number in a computer is measured in

A. bits
B. bytes
C. meter
D. litre
E. None of these
Answer» B. bytes
8.

Dynamic RAM consumes ........ power and .......than static RAM.

A. more, faster
B. more, slower
C. less, slower
D. less, faster
E. None of the above
Answer» D. less, faster
9.

1 mega byte is equal to

A. 1000 KB
B. 1024 kb
C. 1024 KB
D. 1000 kb
E. 1 million bits
Answer» D. 1000 kb
10.

Which of the following is the magnetic storage device ?

A. Hard disk
B. Compact disk
C. Audio tapes
D. All of these
E. None of these
Answer» B. Compact disk
11.

...... is the smallest memory measurement unit.

A. Bit
B. Nibble
C. Byte
D. Mega
E. Zetta
Answer» B. Nibble
12.

Which of the following is not an access mode ?

A. Random
B. Sequential
C. Continuous
D. Direct
E. All of these
Answer» B. Sequential
13.

Which of the following is not a ROM ?

A. PROM
B. EPROM
C. EEPROM
D. EDPROM
E. None of these
Answer» E. None of these
14.

Storage media such as a CD read and write information using......

A. A laser beam of red light
B. Magnetic dots
C. Magnetic strips
D. All of these
E. None for these
Answer» B. Magnetic dots
15.

Typical acronym of reuseable optical storage will be...........

A. CD
B. CD-Rom
C. DVD
D. RPM
E. None of these
Answer» C. DVD
16.

RAM is........and.........

A. Volatile, Temporary
B. Non-volatile, Permanent
C. Non-volatile. Temporary
D. Volatile, Permanent
E. None of these
Answer» B. Non-volatile, Permanent
17.

Storage which stores or retains data after power off is called

A. Volatile storage
B. Non-volatile storage
C. Sequential storage
D. Direct storage
E. None of these above
Answer» C. Sequential storage
18.

If a memory chip is volatile, if will.......

A. Explode if exposed to high temperatures
B. Lose its contents if currents it turned off
C. Be used for data storage only
D. Be used to both read and write data
E. None of the above
Answer» C. Be used for data storage only
19.

Which of the following devices have a limitation that we can only read it but can not erase / or modify it ?

A. Tape drive
B. Hard disk
C. Compact disk
D. Floppy disk
E. None of these
Answer» D. Floppy disk
20.

Data gathering in computer means, they allow to use....data

A. Present
B. Input
C. Output
D. Store
E. None of these
Answer» E. None of these
21.

Cache and main memory will lose their contents when the power is off. They are.....

A. Dynamic
B. Static
C. Volatile
D. Non-volatile
E. Faulty
Answer» D. Non-volatile
22.

.....is the process of dividing the disk into tracks and sectors.

A. Tracking
B. Formatting
C. Crashing
D. Allotting
E. None of these
Answer» C. Crashing
23.

Which type of memory holds only the program and data that the CPU is presently processing ?

A. CMOS
B. ROM
C. RAM
D. ASCII
E. None of these
Answer» D. ASCII
24.

Which of the following can only have sequential access ?

A. Disk
B. Tape
C. CD-ROM
D. DVD-ROM
E. None of these
Answer» C. CD-ROM
25.

........is the maximum amount of data that can be stored on a storage medium.

A. Magnetic storage
B. Optical storage
C. Solid-state storage
D. Storage capacity
E. None of these
Answer» E. None of these
26.

Any data of instructions stored into memory of a computer is considered as..........

A. Storage
B. Output
C. Input
D. Information
E. None of these
Answer» B. Output
27.

Which device can understand difference between data and programs ?

A. Input device
B. Output device
C. Memory
D. Microprocessor
E. None of these
Answer» E. None of these
28.

To put information in a file on a magnetic disk, or in a computer's memory, so that it can be used later.........

A. Store
B. Ship
C. Shift
D. Center
E. None of these
Answer» B. Ship
29.

Which of the following is and example of an optical disk ?

A. Digital versatile disks
B. Magnetic disks
C. Memory disks
D. Data bus disks
E. None of these
Answer» B. Magnetic disks
30.

A(n)......... uses laser technology to store large amount of information

A. Floppy disk
B. CD-ROM
C. Hard disk
D. ED-ROM
E. None of these
Answer» C. Hard disk
31.

The space in your computer that loads and works with data.....

A. Cache memory
B. CPU
C. Megabyte
D. RAM memory
E. ROM memory
Answer» E. ROM memory
32.

Secondary storage..............

A. Does not require constant power
B. Does not use magnetic media
C. Consists of four main types of devices
D. Does not store information for later retrieval
E. None of the above
Answer» B. Does not use magnetic media
33.

........is the process of dividing the disk into tracks and sectors.

A. Tracking
B. Formatting
C. Crashing
D. Allotting
E. Dicing
Answer» C. Crashing
34.

This is a permanent storage device........

A. Floppy disk
B. Monitor
C. RAM
D. Cache
E. Hard disk
Answer» F.
35.

A DVD is example of a (n).......

A. Hard disk
B. Optical disk
C. Output device
D. Solid-state storage device
E. None of these
Answer» C. Output device
36.

With a CD you can........

A. Read
B. Write
C. Read and write
D. Either read or write
E. None of these
Answer» B. Write
37.

A removable magnetic disc that holds information.....

A. Floppy disk
B. Hard drive
C. Monitor
D. Portable
E. None of these
Answer» B. Hard drive
38.

All of the following storage media have read and write capabilities except.............

A. Flash memory cards
B. CD-ROMs
C. Hard disk drives
D. Floppy disks
E. None of these
Answer» C. Hard disk drives
39.

A place in the computer system where data and programs are temporarily stored...............

A. Paste
B. Open
C. Memory
D. Pocket
E. None of these
Answer» D. Pocket
40.

Hard disk drives are considered.......storage.

A. Flash
B. Non-Volatile
C. Temporary
D. Non-permanent
E. None of these
Answer» C. Temporary
41.

The main memory of a computer can also be called ....

A. Primary storage
B. Internal Memory
C. Primary memory
D. All of these
E. None of these
Answer» E. None of these
42.

Which media have 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. Optical disks
E. Both CD-RW disks and Zip disks
Answer» C. Zip disks
43.

What characteristic of Read Only Memory (ROM) makes it useful ?

A. ROM information can be easily updated
B. Data in ROM is non-volatile, that is, it remains there even without electrical power
C. ROM even without very large amounts of inexpensive data storage
D. ROM chips are easily swapped between different brands of computers
E. None of the above
Answer» C. ROM even without very large amounts of inexpensive data storage
44.

Saving is the process of

A. Copying a document form memory to a storage medium
B. Making changes to a document's existing content
C. Changing the appearance, or overall book, of a document
D. Developing a document by entering text using a keyboard
E. None of the above
Answer» B. Making changes to a document's existing content
45.

The primary device that a computer uses to store information.........

A. TV
B. Storehouse
C. Disk
D. Hard drive
E. None of these
Answer» E. None of these
46.

What is called the permanent memory built into your computer ?

A. RAM
B. ROM
C. CPU
D. CD-ROM
E. None of these
Answer» C. CPU
47.

Memory that cannot be processed directly by CPU is.........

A. Internal memory
B. External memory
C. Cache memory
D. System memory
E. none of these
Answer» C. Cache memory
48.

When you save to........ your data will remain intact even when the computer is turned off.

A. RAM
B. Motherboard
C. Secondary storage device
D. Primary storage device
E. None of these
Answer» D. Primary storage device
49.

A disk's content that is recorded at the time of manufacture and that connot be changed or erased by the user is

A. Memory only
B. Write only
C. Read only
D. Run Only
E. None of these
Answer» D. Run Only
50.

During processing data, programs, and processed information are held temporarily in...........

A. Secondary storage
B. ROM
C. RAM
D. CPU
E. None of these
Answer» D. CPU