Question for C-DOT Technician 2026 - Quiz / Questions / MCQ

Objective Questions

Latest CDOT Technician Exam Question (Objective Questions), MCQ in English

Subjects : Information System/Information Technology, General Aptitude Test

Question Bank CDOT Technician (Information System/Information Technology) Exam - English

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Information System/Information Technology

Question 1Single Answer

Which of the following is responsible for executing program instructions in a computer?

A
Hard Disk
B
CPU
C
RAM
D
Monitor

Question 2Single Answer

Which component of the computer stores data temporarily for quick access during processing?

A
ROM
B
RAM
C
Hard Disk
D
CPU

Question 3Single Answer

Which of the following is not a part of the computer's central processing unit (CPU)?

A
Control Unit
B
Arithmetic Logic Unit
C
Memory
D
Hard Drive

Question 4Single Answer

What type of memory is used for permanent storage in a computer?

A
RAM
B
ROM
C
Cache
D
Registers

Question 5Single Answer

What is the primary function of the motherboard?

A
Store data
B
Connect all components of the computer
C
Process data
D
Display data

Question 6Single Answer

Which of the following is an example of secondary storage in a computer system?

A
CPU
B
RAM
C
Hard Disk
D
Cache Memory

Question 7Single Answer

Which device is used to provide non-volatile storage in a computer?

A
RAM
B
ROM
C
Hard Disk Drive
D
CPU

Question 8Single Answer

Which of the following devices is used for output?

A
Keyboard
B
Mouse
C
Printer
D
Scanner

Question 9Single Answer

What is the role of the power supply unit in a computer system?

A
To store data
B
To convert AC power to DC power for the system
C
To process data
D
To display data

Question 10Single Answer

What does BIOS stand for in computer systems?

A
Basic Input Output System
B
Binary Input Output System
C
Basic Internal Operating System
D
Binary Internal Operating System

Question 11Single Answer

What is the function of the chipset on the motherboard?

A
To store the operating system
B
To manage data flow between the CPU, memory, and peripherals
C
To execute program instructions
D
To store long-term data

Question 12Single Answer

Which of the following storage devices is known for its fast read/write speeds?

A
Optical Disk
B
SSD (Solid State Drive)
C
HDD (Hard Disk Drive)
D
Flash Drive

Question 13Single Answer

What is the purpose of the heat sink in a computer system?

A
To store data
B
To cool down the CPU
C
To transfer data
D
To provide power

Question 14Single Answer

Which of the following is true about the CPU clock speed?

A
It determines the CPU's cooling needs
B
It controls how fast the CPU executes instructions
C
It defines the size of the CPU
D
It determines the storage capacity

Question 15Single Answer

What is the main function of the RAM in a computer?

A
To store operating system files permanently
B
To temporarily store data that is actively being used by the processor
C
To manage the computer's power usage
D
To provide storage for user data

Question 16Single Answer

What does the acronym CPU stand for?

A
Central Program Unit
B
Central Processing Unit
C
Central Peripheral Unit
D
Central Performance Unit

Question 17Single Answer

Which of the following is an example of volatile memory?

A
Hard Drive
B
RAM
C
ROM
D
Flash Memory

Question 18Single Answer

What is the primary purpose of an operating system?

A
To execute program instructions
B
To manage hardware and software resources
C
To display graphics
D
To run applications

Question 19Single Answer

Which type of computer memory is both read-only and non-volatile?

A
ROM
B
RAM
C
Cache
D
Flash

Question 20Single Answer

Which of the following devices is used to connect a computer to a local area network (LAN)?

A
Modem
B
Router
C
Network Interface Card (NIC)
D
Hub

Question 21Single Answer

Which of the following is not a type of network cable?

A
Fiber optic
B
HDMI
C
Coaxial
D
Ethernet

Question 22Single Answer

What does a router do in a network?

A
It connects different networks and forwards data packets between them
B
It stores data permanently
C
It transmits data within a single network
D
It manages hardware resources in a network

Question 23Single Answer

What is the function of a modem?

A
To connect computers in a local area network
B
To convert digital signals to analog signals for internet access
C
To store data
D
To manage traffic between networks

Question 24Single Answer

Which of the following is not a type of storage device?

A
SSD
B
HDD
C
CPU
D
Optical disk

Question 25Single Answer

Which component in a computer is responsible for storing the BIOS?

A
RAM
B
Hard Drive
C
ROM
D
CPU

Question 26Single Answer

What does the acronym URL stand for?

A
Universal Resource Locator
B
Uniform Resource Locator
C
Uniform Random Locator
D
Universal Random Locator

Question 27Single Answer

Which of the following is a type of network topology?

A
Star
B
Router
C
Switch
D
Modem

Question 28Single Answer

Which layer of the OSI model is responsible for the physical transmission of data?

A
Network layer
B
Data Link layer
C
Physical layer
D
Transport layer

Question 29Single Answer

Which of the following is an example of software?

A
CPU
B
RAM
C
Windows Operating System
D
Hard Drive

Question 30Single Answer

Which device is used to convert digital data into analog signals?

A
Router
B
Modem
C
Switch
D
Hub

Question 31Single Answer

Which of the following protocols is used to transfer files over the internet?

A
HTTP
B
FTP
C
SMTP
D
POP3

Question 32Single Answer

What does HTTP stand for in a web address?

A
HyperText Transmission Protocol
B
HyperText Transfer Protocol
C
Hyper Transfer Protocol
D
Hyper Text Transmission Process

Question 33Single Answer

Which of the following is the purpose of DNS in networking?

A
To translate domain names into IP addresses
B
To protect data in a network
C
To send email between users
D
To enable secure web browsing

Question 34Single Answer

Which of the following is a network device that operates at the data link layer of the OSI model?

A
Router
B
Hub
C
Switch
D
Gateway

Question 35Single Answer

Which of the following is a protocol used for secure communication over the internet?

A
HTTP
B
FTP
C
HTTPS
D
SMTP

Question 36Single Answer

Which of the following is used to permanently store the computer's startup instructions?

A
RAM
B
ROM
C
CPU
D
Hard Disk

Question 37Single Answer

What is the purpose of the control unit in a CPU?

A
To execute arithmetic and logical operations
B
To fetch instructions and manage the execution of programs
C
To store data
D
To provide power to the system

Question 38Single Answer

What does the acronym HTTP stand for?

A
HyperText Transmission Protocol
B
HyperText Transfer Protocol
C
Hyper Transfer Text Protocol
D
Hypertext Text Transfer Protocol

Question 39Single Answer

Which of the following is an example of a primary storage device?

A
RAM
B
Hard Disk
C
SSD
D
USB Drive

Question 40Single Answer

Which of the following is used to connect computers within a building or campus?

A
LAN (Local Area Network)
B
WAN (Wide Area Network)
C
PAN (Personal Area Network)
D
VPN (Virtual Private Network)

Question 41Single Answer

Which of the following devices is used to interface between the computer and the internet?

A
Router
B
Printer
C
Switch
D
Hard Disk

Question 42Single Answer

Which memory type is used to store data temporarily during processing?

A
ROM
B
RAM
C
SSD
D
Flash Memory

Question 43Single Answer

Which of the following is used to keep data from being lost when the computer is turned off?

A
RAM
B
Cache
C
Hard Drive
D
BIOS

Question 44Single Answer

What type of device is a monitor?

A
Input
B
Output
C
Storage
D
Processing

Question 45Single Answer

What does the acronym URL stand for?

A
Uniform Resource Locator
B
Universal Resource Locator
C
Uniform Reference Locator
D
Uniform Retrieval Locator

Question 46Single Answer

Which of the following storage devices uses optical technology to store data?

A
CD
B
SSD
C
RAM
D
USB Drive

Question 47Single Answer

Which device allows multiple computers to connect and communicate with each other over a network?

A
Switch
B
Router
C
Hub
D
Modem

Question 48Single Answer

Which of the following is an example of a non-volatile memory?

A
RAM
B
ROM
C
Cache Memory
D
Registers

Question 49Single Answer

Which of the following is the most common data bus size used in modern processors?

A
4 bits
B
8 bits
C
16 bits
D
32 bits

Question 50Single Answer

Which of the following is used to store a large volume of data in an easily accessible form in a computer?

A
RAM
B
Hard Disk
C
Cache
D
ROM

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General Aptitude Test

Question 51Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 52Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 53Single Answer

I go to Madurai by —– Vaigai Express

A
a
B
an
C
some
D
the

Question 54Single Answer

Have the car stolen!

A
Steal the car
B
You should have the stolen car
C
Get someone to steal the car
D
They have stolen the car

Question 55Single Answer

The payment was collected by the hardworking salesman.

A
The hardworking salesman collected the payment.
B
the salesman who worked heard was able to collect the payment.
C
to collect the payment the salesman had to work hard.
D
The hardworking salesman was able to collect the payment.

Question 56Single Answer

I had to stop all my work to complete this project.

A
All other work had to be stopped to complete this project by me
B
For completing this project all other work must be stopped
C
For completing this project I had to stop all my work
D
To complete this project all other work had been stopped by me

Question 57Single Answer

Passage :

Direction : Question below has two blanks, each blank indicting that some thing has been omitted. Choose the word for each blank which best fits the meaning of the sentence as a whole.

The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.

A
presented , stay
B
introduced , keep
C
announce , make
D
created , let
E
proclaimed , hold

Question 58Single Answer

Passage :

Direction : The five items in this section consists of a word or group of words followed by four words as (a), (b), (c) and (d). Select the word which is nearly opposite to the meaning of the original word or group of words and mark your response as (a), (b), (c) and (d), as the case may be, in your Answer Sheet.

Assets

A
liabilities
B
responsibilities
C
estates
D
profits

Question 59Single Answer

Passage :

Direction : In the question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it

Affidavit

A
Affirmation
B
Slander
C
Oath
D
Testimony

Question 60Single Answer

Passage :

Direction: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it

Hollow

A
Alveolate
B
Cleft
C
Cavernous
D
Solid

Question 61Single Answer

Passage :

Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it

Cosset

A
Ignoreb
B
Close
C
Caress
D
Fondle

Question 62Single Answer

Passage :

Directions: In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it

Ogle

A
Leer
B
Gaze
C
Ignore
D
Gawk

Question 63Single Answer

How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?

A
Two
B
Three
C
Five
D
Four
E
None of these

Question 64Single Answer

Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is

A
True
B
False
C
Uncertain
D
None

Question 65Single Answer

If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.

Question 66Single Answer

Passage :

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .

Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?

Question 67Single Answer

Passage :

Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?

A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG

Question 68Single Answer

Passage :

Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?

A
AND
B
FOR
C
THE
D
BIG
E
SUM

Question 69Single Answer

Passage :

Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?

A
None
B
One
C
Two
D
Three
E
Four

Question 70Single Answer

Passage :

How many letters are there in the English alphabetical series between the second letter of the word which is second from the right and the second letter of the word which is second from the left of the given words?

A
Two
B
Five
C
Six
D
Nine
E
Three

Question 71Single Answer

Passage :

Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If in each of the given words, each of the consonant is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear?

A
None
B
One
C
Two
D
Three
E
More than three

Question 72Single Answer

Passage :

Direction : Following question is based on five words given below:
BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)

If the third alphabet in each of the words is changed to the next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed?

A
None
B
One
C
Two
D
Three
E
Four

Question 73Single Answer

The elements of the set {x : x is an integer, x² : 4} can be represent as .....Z..... . Here, Z refers to

A
{–2, 2}
B
{–1, 0, 1}
C
{–2, –1, 0, 1, 2}
D
{0, 1, 2}

Question 74Single Answer

A
B
C
D
None of these

Question 75Single Answer

If Y = {x : x is a positive factor of the number 2p – 1(2p – 1), where 2p – 1 is a prime number}, then Y can be represent in roster form as

A
{2}
B
{1, 2}
C
{1, 2, 22, ....., 2p – 1}
D
{1, 2, 22, 23,.... 2p – 1, (2p – 1)}

Question 76Single Answer

The set {x : x is a positive integer less than 6 and 3x – 1 is an even number} in roster form is

A
{1, 2, 3, 4, 5}
B
{1, 2, 3, 4, 5, 6}
C
{2, 4, 6}
D
{1, 3, 5}

Question 77Single Answer

If A

B and A

B, then

A
A is called a proper subset of B
B
A is called a super set of B
C
A is not a subset of B
D
B is a subset of A

Question 78Single Answer

The number of non-empty subsets of the set{1, 2, 3, 4} is

A
15
B
14
C
16
D
17

Question 79Single Answer

The number of elements of the power set of a set containing m elements is

A
2^m – 1
B
m
C
m²
D
2^m

Question 80Single Answer

If A = {x : x = n², n = 1, 2, 3}, then number of proper subsets is

A
3
B
8
C
7
D
None of these

Question 81Single Answer

If A = {x : x = 4n + 1, 2 £ n £ 5},then number of subsets of A is

A
16
B
15
C
4
D
None of these

Question 82Single Answer

Let A and B be two non-empty subsets of a set X such that A is not a subset of B, then

A
A is always a subset of the complement of B
B
B is always a subset of A
C
A and B are always disjoint
D
A and the complement of B are always non-disjoint

Question 83Single Answer

Sattriya dance form is famous in which of these states ?

A
Assam
B
Himachal Pradesh
C
Punjab
D
Tamil Nadu

Question 84Single Answer

"Who said, 'India was a parrot unto itself'?

A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan

Question 85Single Answer

Which is the national game of Bhutan ?

A
badminton
B
basketball
C
football
D
archery

Question 86Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 87Single Answer

Who is known as the "Father of the Indian Renaissance" ?

A
Raja Ram Mohan Roy
B
Swami Vivekananda
C
Rabindranath Tagore
D
Mahatma Gandhi

Question 88Single Answer

What is the study of ethics primarily concerned with ?

A
Economic behavior
B
Human values and moral principles
C
Physical health
D
Political systems

Question 89Single Answer

Who is known as the "Missile Man of India"?

A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan

Question 90Single Answer

Which organization is responsible for India's space exploration programs?

A
BARC
B
ISRO
C
DRDO
D
HAL

Question 91Single Answer

Which city hosted the launch of Capital Radio in 1973?

A
Manchester
B
London
C
Birmingham
D
Glasgow

Question 92Single Answer

Which ministry launched the Green Hydrogen Certification Scheme of India (GHCI)?

A
Ministry of Power
B
Ministry of Petroleum and Natural Gas
C
Ministry of New and Renewable Energy
D
Ministry of Environment, Forest and Climate Change

Question 93Single Answer

Who publishes the Special 301 Report?

A
World Trade Organization (WTO)
B
World Intellectual Property Organization (WIPO)
C
United States Trade Representative (USTR)
D
International Trade Commission (ITC)

Question 94Single Answer

Which startup tested its green propulsion system, VYOM 2U, aboard ISRO’s PSLV C60?

A
Skyroot Aerospace
B
Manastu Space
C
AgniKul Cosmos
D
Pixxel

Question 95Single Answer

Where was the 24th Rashtriya Vanvasi Krida Pratiyogita held?

A
Bhopal
B
Raipur
C
Ranchi
D
Bhubaneswar

Question 96Single Answer

Which institute's startup developed the VYOM 2U green propulsion system?

A
IIT Roorkee
B
IIT Madras
C
IIT Bombay
D
IIT Kanpur

Question 97Single Answer

Which country recently signed agreements with India for green hydrogen derivatives?

A
Japan
B
Singapore
C
Both

Question 98Single Answer

What is the purpose of the Green Hydrogen Certification Scheme (GHCI)?

A
To subsidize hydrogen fuel
B
To certify hydrogen produced using renewable energy
C
To ban non-renewable hydrogen production
D
To promote fossil fuel usage

Question 99Single Answer

Which Indian state hosted the 24th Rashtriya Vanvasi Krida Pratiyogita?

A
Chhattisgarh
B
Jharkhand
C
Odisha
D
Madhya Pradesh

Question 100Single Answer

What is the significance of the Special 301 Report for India?

A
Highlights India's technological advancements
B
Places India on the 'priority watch' list for IP rights
C
Recognizes India's environmental policies
D
None of the above

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