Computer Science & IT MCQ & Objective Questions
Computer Science & IT is a crucial subject for students preparing for school and competitive exams in India. Mastering this field not only enhances your understanding of technology but also significantly boosts your exam scores. Practicing MCQs and objective questions is an effective way to reinforce your knowledge and identify important questions that frequently appear in exams.
What You Will Practise Here
Fundamentals of Computer Science
Data Structures and Algorithms
Operating Systems Concepts
Networking Basics and Protocols
Database Management Systems
Software Engineering Principles
Programming Languages Overview
Exam Relevance
Computer Science & IT is an integral part of the curriculum for CBSE, State Boards, and competitive exams like NEET and JEE. Questions often focus on theoretical concepts, practical applications, and problem-solving skills. Common patterns include multiple-choice questions that test your understanding of key concepts, definitions, and the ability to apply knowledge in various scenarios.
Common Mistakes Students Make
Confusing similar concepts in data structures, such as arrays and linked lists.
Overlooking the importance of algorithms and their time complexities.
Misunderstanding the functions and roles of different operating system components.
Neglecting to practice coding problems, leading to difficulty in programming questions.
Failing to grasp the fundamentals of networking, which can lead to errors in related MCQs.
FAQs
Question: What are the best ways to prepare for Computer Science & IT exams?Answer: Regular practice of MCQs, understanding key concepts, and reviewing past exam papers are effective strategies.
Question: How can I improve my problem-solving skills in Computer Science?Answer: Engage in coding exercises, participate in study groups, and tackle a variety of practice questions.
Start your journey towards mastering Computer Science & IT today! Solve our practice MCQs to test your understanding and enhance your exam preparation. Remember, consistent practice is the key to success!
Q. Which protocol is commonly used to transfer web pages over the Internet?
A.
FTP
B.
SMTP
C.
HTTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used to transfer web pages over the Internet.
Correct Answer:
C
— HTTP
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Q. Which protocol is primarily used for dynamic IP address allocation?
A.
DHCP
B.
DNS
C.
ARP
D.
ICMP
Show solution
Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically assign IP addresses to devices on a network.
Correct Answer:
A
— DHCP
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Q. Which protocol is primarily used for reliable data transmission in the TCP/IP model?
A.
UDP
B.
ICMP
C.
TCP
D.
HTTP
Show solution
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error checking and guarantees that data is delivered in order.
Correct Answer:
C
— TCP
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Q. Which protocol is primarily used for routing in IP networks?
A.
HTTP
B.
FTP
C.
RIP
D.
SMTP
Show solution
Solution
RIP (Routing Information Protocol) is a widely used routing protocol in IP networks.
Correct Answer:
C
— RIP
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Q. Which protocol is primarily used for routing in the Internet?
A.
RIP
B.
FTP
C.
HTTP
D.
SMTP
Show solution
Solution
RIP (Routing Information Protocol) is a widely used routing protocol for managing router information within a local network or a group of networks.
Correct Answer:
A
— RIP
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Q. Which protocol is primarily used for routing in the TCP/IP model?
A.
HTTP
B.
FTP
C.
IP
D.
SMTP
Show solution
Solution
IP (Internet Protocol) is the primary protocol used for routing in the TCP/IP model.
Correct Answer:
C
— IP
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Q. Which protocol is primarily used for sending emails?
A.
HTTP
B.
FTP
C.
SMTP
D.
SNMP
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending emails across the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is primarily used for web traffic in the TCP/IP model?
A.
FTP
B.
HTTP
C.
SMTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the primary protocol used for transmitting web pages in the TCP/IP model.
Correct Answer:
B
— HTTP
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Q. Which protocol is used at the Application Layer of the TCP/IP model for web browsing?
A.
FTP
B.
HTTP
C.
SMTP
D.
DNS
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used for web browsing at the Application Layer.
Correct Answer:
B
— HTTP
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Q. Which protocol is used for dynamic IP address allocation?
A.
DHCP
B.
ARP
C.
ICMP
D.
RARP
Show solution
Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically allocate IP addresses to devices on a network.
Correct Answer:
A
— DHCP
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Q. Which protocol is used for error detection in TCP?
A.
Checksum
B.
CRC
C.
Parity Bit
D.
ACK
Show solution
Solution
TCP uses a Checksum for error detection to ensure data integrity during transmission.
Correct Answer:
A
— Checksum
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Q. Which protocol is used for error reporting in the TCP/IP suite?
A.
TCP
B.
UDP
C.
ICMP
D.
ARP
Show solution
Solution
ICMP (Internet Control Message Protocol) is used for error reporting and diagnostic functions in the TCP/IP suite.
Correct Answer:
C
— ICMP
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Q. Which protocol is used for reliable data transmission in the Transport Layer?
A.
UDP
B.
IP
C.
TCP
D.
ICMP
Show solution
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, providing error recovery and flow control.
Correct Answer:
C
— TCP
Learn More →
Q. Which protocol is used for reliable transmission in the TCP/IP model?
A.
UDP
B.
IP
C.
TCP
D.
ICMP
Show solution
Solution
TCP (Transmission Control Protocol) is used for reliable transmission, providing error recovery and flow control.
Correct Answer:
C
— TCP
Learn More →
Q. Which protocol is used for routing packets across the internet?
A.
HTTP
B.
FTP
C.
IP
D.
SMTP
Show solution
Solution
IP (Internet Protocol) is the primary protocol used for routing packets across the internet.
Correct Answer:
C
— IP
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Q. Which protocol is used for secure data transmission over the Internet?
A.
HTTP
B.
FTP
C.
HTTPS
D.
SMTP
Show solution
Solution
HTTPS (Hypertext Transfer Protocol Secure) is used for secure data transmission over the Internet, encrypting the data exchanged.
Correct Answer:
C
— HTTPS
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Q. Which protocol is used for sending email at the Application Layer?
A.
HTTP
B.
FTP
C.
SMTP
D.
SNMP
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used for sending emails at the Application Layer.
Correct Answer:
C
— SMTP
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Q. Which protocol is used for sending email?
A.
HTTP
B.
FTP
C.
SMTP
D.
DNS
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails across the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is used for sending error messages and operational information in a network?
A.
TCP
B.
UDP
C.
ICMP
D.
HTTP
Show solution
Solution
ICMP (Internet Control Message Protocol) is used for sending error messages and operational information about network conditions.
Correct Answer:
C
— ICMP
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Q. Which protocol is used to dynamically assign IP addresses to devices on a network?
A.
DHCP
B.
DNS
C.
ARP
D.
ICMP
Show solution
Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically assign IP addresses to devices on a network.
Correct Answer:
A
— DHCP
Learn More →
Q. Which protocol is used to resolve IP addresses to MAC addresses?
A.
ARP
B.
RARP
C.
ICMP
D.
DNS
Show solution
Solution
ARP (Address Resolution Protocol) is used to resolve IP addresses to MAC addresses in a local network.
Correct Answer:
A
— ARP
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Q. Which protocol is used to secure HTTP traffic?
A.
FTP
B.
HTTPS
C.
SMTP
D.
SNMP
Show solution
Solution
HTTPS (Hypertext Transfer Protocol Secure) is used to secure HTTP traffic by encrypting the data transmitted between the client and server.
Correct Answer:
B
— HTTPS
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Q. Which protocol is used to send email messages over the Internet?
A.
HTTP
B.
FTP
C.
SMTP
D.
IMAP
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used to send email messages over the Internet.
Correct Answer:
C
— SMTP
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Q. Which protocol is used to send email messages?
A.
HTTP
B.
FTP
C.
SMTP
D.
DNS
Show solution
Solution
SMTP (Simple Mail Transfer Protocol) is used to send email messages between servers.
Correct Answer:
C
— SMTP
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Q. Which protocol is used to transfer files over the web?
A.
FTP
B.
HTTP
C.
SMTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used for transferring web pages and files over the internet.
Correct Answer:
B
— HTTP
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Q. Which protocol is used to transfer web pages over the Internet?
A.
FTP
B.
SMTP
C.
HTTP
D.
SNMP
Show solution
Solution
HTTP (Hypertext Transfer Protocol) is the protocol used to transfer web pages over the Internet.
Correct Answer:
C
— HTTP
Learn More →
Q. Which protocol operates at the Transport layer of the TCP/IP model?
A.
IP
B.
TCP
C.
HTTP
D.
Ethernet
Show solution
Solution
TCP (Transmission Control Protocol) operates at the Transport layer of the TCP/IP model.
Correct Answer:
B
— TCP
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Q. Which rotation is performed when a node is inserted into the left subtree of the left child in an AVL tree?
A.
Right Rotation
B.
Left Rotation
C.
Left-Right Rotation
D.
Right-Left Rotation
Show solution
Solution
A right rotation is performed when a node is inserted into the left subtree of the left child in an AVL tree.
Correct Answer:
A
— Right Rotation
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Q. Which routing protocol is known for its ability to adapt to changes in the network topology?
A.
RIP
B.
OSPF
C.
BGP
D.
EIGRP
Show solution
Solution
OSPF (Open Shortest Path First) is known for its ability to adapt to changes in the network topology quickly.
Correct Answer:
B
— OSPF
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Q. Which routing protocol uses a distance-vector algorithm?
A.
OSPF
B.
BGP
C.
RIP
D.
EIGRP
Show solution
Solution
RIP (Routing Information Protocol) uses a distance-vector algorithm to determine the best path for data packets.
Correct Answer:
C
— RIP
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