Computer Science & IT

Download Q&A

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 operation is more expensive in terms of time complexity in AVL trees compared to Red-Black trees?
  • A. Insertion
  • B. Deletion
  • C. Searching
  • D. All of the above
Q. Which operation is not allowed in a Red-Black tree?
  • A. Insertion
  • B. Deletion
  • C. Searching
  • D. All operations are allowed
Q. Which operation is not allowed in a stack?
  • A. Push
  • B. Pop
  • C. Peek
  • D. Dequeue
Q. Which operation is not allowed in an AVL tree?
  • A. Insertion
  • B. Deletion
  • C. Traversal
  • D. Duplicate insertion
Q. Which operation is NOT performed during the insertion in a Red-Black tree?
  • A. Coloring the nodes
  • B. Rotations
  • C. Rebalancing
  • D. Sorting the nodes
Q. Which operation is NOT performed in a Red-Black tree during insertion?
  • A. Coloring the new node red
  • B. Rotating the tree
  • C. Recoloring nodes
  • D. Removing the root node
Q. Which operation is not typically associated with a stack?
  • A. Push
  • B. Pop
  • C. Enqueue
  • D. Peek
Q. Which operation is performed to maintain the balance of an AVL tree after an insertion?
  • A. Rotation
  • B. Recoloring
  • C. Splitting
  • D. Merging
Q. Which operation is performed to maintain the balance of an AVL tree after insertion?
  • A. Rotation
  • B. Recoloring
  • C. Splitting
  • D. Merging
Q. Which operation is used to maintain the balance of an AVL tree after insertion?
  • A. Recoloring
  • B. Rotations
  • C. Resizing
  • D. Reordering
Q. Which operation may require rebalancing in an AVL tree?
  • A. Searching
  • B. Insertion
  • C. Traversal
  • D. Deletion
Q. Which operator is used to access the value at the address stored in a pointer?
  • A. &
  • B. *
  • C. ->
  • D. []
Q. Which optimization algorithm is commonly used to minimize the loss function in neural networks?
  • A. Gradient Descent
  • B. K-Means
  • C. Principal Component Analysis
  • D. Random Forest
Q. Which optimization algorithm is commonly used to update weights in neural networks?
  • A. K-means
  • B. Stochastic Gradient Descent
  • C. Principal Component Analysis
  • D. Random Forest
Q. Which optimization technique can help reduce the number of memory accesses?
  • A. Loop fusion
  • B. Function inlining
  • C. Dead code elimination
  • D. Code hoisting
Q. Which optimization technique can lead to a trade-off between speed and memory usage?
  • A. Function inlining
  • B. Loop fusion
  • C. Code hoisting
  • D. Strength reduction
Q. Which optimization technique focuses on reducing the number of instructions executed?
  • A. Loop unrolling
  • B. Constant folding
  • C. Common subexpression elimination
  • D. Code motion
Q. Which optimization technique involves removing code that does not affect the program's output?
  • A. Loop unrolling
  • B. Dead code elimination
  • C. Constant folding
  • D. Inlining
Q. Which OSI layer is responsible for error detection and correction?
  • A. Session Layer
  • B. Transport Layer
  • C. Data Link Layer
  • D. Physical Layer
Q. Which OSI layer is responsible for establishing, managing, and terminating sessions?
  • A. Transport Layer
  • B. Session Layer
  • C. Presentation Layer
  • D. Application Layer
Q. Which parsing technique is generally more powerful, LL or LR?
  • A. LL
  • B. LR
  • C. Both are equally powerful.
  • D. Neither is powerful.
Q. Which port is commonly used by HTTP?
  • A. 21
  • B. 25
  • C. 80
  • D. 443
Q. Which property is NOT true for AVL trees?
  • A. They are height-balanced.
  • B. They allow duplicate values.
  • C. They require rebalancing after insertions.
  • D. They can have a maximum height of log n.
Q. Which property is NOT true for Red-Black Trees?
  • A. Every node is either red or black
  • B. The root is always black
  • C. All leaves are red
  • D. Red nodes cannot have red children
Q. Which property must a Red-Black Tree satisfy?
  • A. Every node is either red or black
  • B. The root must be red
  • C. All leaves must be red
  • D. Every red node must have two black children
Q. Which protocol is commonly used for dynamic IP address allocation?
  • A. ARP
  • B. RARP
  • C. DHCP
  • D. ICMP
Q. Which protocol is commonly used for dynamic IP address assignment?
  • A. DHCP
  • B. DNS
  • C. HTTP
  • D. FTP
Q. Which protocol is commonly used for sending emails?
  • A. HTTP
  • B. FTP
  • C. SMTP
  • D. IMAP
Q. Which protocol is commonly used to secure HTTP traffic?
  • A. FTP
  • B. SMTP
  • C. HTTPS
  • D. Telnet
Q. Which protocol is commonly used to transfer files over the web?
  • A. FTP
  • B. SMTP
  • C. HTTP
  • D. SNMP
Showing 3061 to 3090 of 3237 (108 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely