Explore topic-wise MCQs in Computer Science.

This section includes 172 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

51.

In OSI, which layer is responsible for packet forwarding and routing?

A. Presentation layer
B. Network layer
C. Session layer
D. Transport layer
Answer» C. Session layer
52.

In OSI, which layer is responsible for media access control, flow controland error checking?

A. Network layer
B. Session layer
C. Data link layer
D. Transport layer
Answer» D. Transport layer
53.

How many layers are in TCP/IP model?

A. 8
B. 5
C. 6
D. 7
Answer» C. 6
54.

Which is not true?

A. UDP is un reliable datagram service
B. UDP is often used to transport voice and video data streams
C. TCP is connection-oriented
D. TCP is not reliable
Answer» E.
55.

The file system “NTFS” stands for

A. New type file system
B. Never terminated file system
C. New technology file system
D. Non terminated file system
Answer» B. Never terminated file system
56.

Which is not a database product?

A. postgres
B. mysql
C. oracle
D. OpenGL
Answer» E.
57.

Each TCP/IP packet must contain

A. Only Source address
B. Only destination address
C. Source and destination address
D. Source or destination address
Answer» D. Source or destination address
58.

What is DOS?

A. Do on service
B. Disk Operating system
C. Disk on safety
D. Data On Source
Answer» C. Disk on safety
59.

Which is most related to data redundancy in databases?

A. Data integrity
B. Data replication
C. Data communication
D. Data security
Answer» C. Data communication
60.

ASCII code 66 stands for value

A. A
B. B
C. a
D. b
Answer» C. a
61.

NTFS is related to

A. Windows file system
B. Unix file system
C. Linux file system
D. None of these
Answer» B. Unix file system
62.

Ubuntu is a

A. Linux OS
B. Windows OS
C. Laptop name
D. None of these
Answer» B. Windows OS
63.

ReFS related to

A. File system in windows XP
B. Audio format launched in 2012
C. File system in windows 8
D. None of these
Answer» D. None of these
64.

which is not a data structure?

A. STACK
B. QUEUE
C. LinkedList
D. none of these
Answer» E.
65.

Android is a

A. Newly launched laptop name
B. mobile OS
C. network protocol
D. picture format
Answer» C. network protocol
66.

Which is not a network topology

A. Bus topology
B. Ring topology
C. Mesh topology
D. Dish topology
Answer» E.
67.

Resolution related to

A. Unit for measuring storage capacity
B. Size of audio clip
C. speed of communication
D. clarity of vision
Answer» E.
68.

Which of the following is a primary storage

A. Hard disk
B. RAM
C. Flash memory
D. None of these
Answer» C. Flash memory
69.

Modem stands for

A. Moduled memory
B. Modulator demodulator
C. Mixed operating device memory
D. None of the above
Answer» C. Mixed operating device memory
70.

A program in execution is known as

A. job
B. unit
C. process
D. None of the above
Answer» D. None of the above
71.

The language that the computer can understand and execute is ______

A. Application software
B. Machine language
C. compiler
D. interpreter
Answer» C. compiler
72.

Which component is used to produce hard-copy output?

A. Sound card
B. Graphics card
C. Plotter
D. monitor
Answer» D. monitor
73.

device driver is a

A. hardware
B. software
C. communication device
D. none of these
Answer» C. communication device
74.

Which component is used to input data into a computer?

A. Printer
B. keyboard
C. CPU
D. Hard disk
Answer» C. CPU
75.

Which is an output devices?

A. Graphics card
B. CPU
C. monitor
D. mouse
Answer» D. mouse
76.

The unit that is suitable to specify hard disk storage capacity is

A. Hz
B. m/s
C. mg
D. GB
Answer» E.
77.

Optical disk is associated with?

A. Magnetic read/write
B. Laser beam
C. Pixels
D. None of these
Answer» C. Pixels
78.

‘ Track and sector’ is associated with

A. Computer language
B. Data storage on disk
C. Artificial intelligence
D. Display resolution
Answer» C. Artificial intelligence
79.

What does SPOOL stand for?

A. Speed of online
B. Special Privilege Operations On List
C. Simultaneous Peripheral Operations Online
D. None of these
Answer» D. None of these
80.

Which of the following is not a secondary storage device?

A. Pen Drive
B. Hard disk
C. DVD
D. Random Access Memory
Answer» E.
81.

The Number system based “0” and “1” only is known as

A. Binary System
B. Binding System
C. Letter System
D. Hexadecimal System
Answer» B. Binding System
82.

SSD stands for?

A. Super Semi Device
B. Solid State Drive
C. Super State Device
D. State Secured Device
Answer» C. Super State Device
83.

Who is not related to computers?

A. Von Neumann
B. Charles Babbage
C. Walt Whitman
D. George Stibitz
Answer» D. George Stibitz
84.

What does ALU stand for?

A. Asymmetrical Linking Unit
B. Arithmetic Logic Unit
C. Alternate Logic Use
D. Artificial Linking Usage
Answer» C. Alternate Logic Use
85.

Choose the five most essential hardware components of a computersystem?

A. CPU, CD-ROM, pendrive, keyboard, sound card
B. Memory, Video Card, Monitor, keyboard, mouse.
C. Modem, Keyboard, Word Processor, Printer, flashmemory.
D. CPU, memory, system bus, input, output. 4. How do the main components of the computer communicate with each
Answer» E.
86.

Which is known as the heart of a computer system?

A. memory
B. mouse
C. CPU
D. keyboard
Answer» D. keyboard
87.

Which is not a hardware component of a computer system?

A. CPU
B. hard disk
C. compiler
D. monitor
Answer» D. monitor
88.

Which is the protocol used to transfer a file?

A. ftp
B. http
C. telnet
D. tcp/ip
Answer» B. http
89.

The different locations in a network is called

A. points
B. nodes
C. modules
D. layers
Answer» C. modules
90.

.A group of 8 bits is called.....

A. nibble
B. giga byte
C. byte
D. none
Answer» D. none
91.

GIF is Stands for..

A. graphical international format
B. graphical interchange format
C. graphical interchange form
D. graphical information form
Answer» C. graphical interchange form
92.

TCP/IP Stands for......

A. transmission control protocol/ intranet protocol
B. translation control protocol/ intranet protocol
C. transmission control protocol/ internet protocol
D. none
Answer» D. none
93.

GUI is stands for.......

A. graphics unit of internet
B. graphical user interface
C. graphical user interaction
D. graphics unit of intel
Answer» C. graphical user interaction
94.

The first step in converting an analog signal into digital form is called......

A. sampling
B. code word generation
C. quantisation
D. bit depth
Answer» B. code word generation
95.

ASCII is a format of....

A. text
B. video
C. image
D. audio
Answer» B. video
96.

The ......... is the intermediary between the user and the computer hardware.

A. memory
B. storage
C. i/p and o/p
D. operating system.
Answer» E.
97.

The mechanical devices that make up the computer are called.....

A. hardware
B. data
C. processor
D. memory
Answer» B. data
98.

HDMI

A. high dimensional media interface
B. high definition multimedia interaction
C. high definition mobile interface
D. high definition multimedia interface
Answer» E.
99.

Expansion of MP3

A. moving picture experts group layer 3
B. mpg layer 3
C. mpeg layer 1 and 2
D. none of the above
Answer» B. mpg layer 3
100.

Radio Corporation of America is well known for the production of

A. transistors
B. radios
C. computers
D. cables
Answer» E.