Computer Science & IT

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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. How many usable IP addresses are available in a subnet with a /29 subnet mask?
  • A. 2
  • B. 6
  • C. 8
  • D. 4
Q. If a binary search algorithm is implemented recursively, what is its space complexity due to recursion?
  • A. O(1)
  • B. O(log n)
  • C. O(n)
  • D. O(n log n)
Q. If a binary search algorithm is implemented recursively, what is the space complexity?
  • A. O(1)
  • B. O(log n)
  • C. O(n)
  • D. O(n log n)
Q. If a binary search algorithm is implemented recursively, what is the space complexity due to recursion?
  • A. O(n)
  • B. O(log n)
  • C. O(1)
  • D. O(n log n)
Q. If a binary search algorithm returns -1, what does it indicate?
  • A. The element is found
  • B. The element is not in the array
  • C. The array is empty
  • D. The array is sorted
Q. If a binary search is performed on a sorted array of size n, what is the space complexity?
  • A. O(1)
  • B. O(n)
  • C. O(log n)
  • D. O(n log n)
Q. If a binary search is performed on an array of 32 elements, how many iterations will it take in the worst case?
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. If a binary search is performed on an array of size 16, how many comparisons are needed in the worst case?
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. If a binary search is performed on an array of size 16, how many comparisons will be made in the worst case?
  • A. 4
  • B. 8
  • C. 16
  • D. 5
Q. If a binary search is performed on an array of size 16, how many comparisons will it take in the worst case?
  • A. 4
  • B. 8
  • C. 16
  • D. 5
Q. If a binary tree has 'n' nodes, what is the maximum height of the tree?
  • A. n
  • B. log n
  • C. n/2
  • D. n-1
Q. If a binary tree has 15 nodes, what is the maximum height of the tree?
  • A. 15
  • B. 4
  • C. 3
  • D. 5
Q. If a binary tree has a height of 'h', what is the minimum number of nodes it can have?
  • A. h
  • B. h + 1
  • C. 2^h - 1
  • D. 2^h
Q. If a binary tree has a height of h, what is the maximum number of nodes it can have?
  • A. 2^h - 1
  • B. 2^h
  • C. h^2
  • D. h!
Q. If a binary tree has n nodes, what is the maximum number of leaf nodes it can have?
  • A. n
  • B. n/2
  • C. n/3
  • D. n/2 + 1
Q. If a binary tree is balanced, what is the maximum height of the tree in terms of the number of nodes 'n'?
  • A. O(n)
  • B. O(log n)
  • C. O(n log n)
  • D. O(1)
Q. If a dataset has 200 points and you apply K-means clustering with K=4, how many points will be assigned to each cluster on average?
  • A. 50
  • B. 40
  • C. 60
  • D. 30
Q. If a device has an IP address of 172.16.5.10 with a subnet mask of 255.255.255.0, what is its network address?
  • A. 172.16.5.0
  • B. 172.16.5.10
  • C. 172.16.0.0
  • D. 172.16.5.255
Q. If a graph has 5 vertices and 10 edges, what is the maximum number of edges it can have?
  • A. 5
  • B. 10
  • C. 20
  • D. 25
Q. If a graph has 5 vertices and 10 edges, what is the maximum number of iterations Dijkstra's algorithm will perform?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. If a graph has 5 vertices and 10 edges, what is the maximum time complexity of Dijkstra's algorithm using an adjacency matrix?
  • A. O(10)
  • B. O(5^2)
  • C. O(5 log 5)
  • D. O(10 + 5^2)
Q. If a graph has 5 vertices and 7 edges, what is the maximum number of edges in a simple undirected graph?
  • A. 10
  • B. 12
  • C. 15
  • D. 20
Q. If a graph has 5 vertices and 7 edges, what is the maximum number of edges in a complete graph with 5 vertices?
  • A. 10
  • B. 12
  • C. 15
  • D. 20
Q. If a graph has 5 vertices and 7 edges, what is the maximum number of edges it can have?
  • A. 10
  • B. 15
  • C. 20
  • D. 25
Q. If a graph has 5 vertices and 7 edges, what is the maximum number of iterations Dijkstra's algorithm will perform?
  • A. 5
  • B. 7
  • C. 10
  • D. 12
Q. If a graph has a cycle, which traversal method can detect it?
  • A. Only BFS
  • B. Only DFS
  • C. Both BFS and DFS
  • D. Neither BFS nor DFS
Q. If a graph has negative edge weights, which algorithm can be used instead of Dijkstra's algorithm?
  • A. Prim's Algorithm
  • B. Kruskal's Algorithm
  • C. Bellman-Ford Algorithm
  • D. Floyd-Warshall Algorithm
Q. If a graph has negative weight edges, which algorithm can be used instead of Dijkstra's?
  • A. Prim's algorithm
  • B. Kruskal's algorithm
  • C. Bellman-Ford algorithm
  • D. A* algorithm
Q. If a graph has negative weight edges, which algorithm should be used instead of Dijkstra's algorithm?
  • A. Prim's algorithm
  • B. Kruskal's algorithm
  • C. Bellman-Ford algorithm
  • D. Floyd-Warshall algorithm
Q. If a graph has negative weight edges, which algorithm should be used instead of Dijkstra's?
  • A. Prim's algorithm
  • B. Kruskal's algorithm
  • C. Bellman-Ford algorithm
  • D. A* algorithm
Showing 91 to 120 of 3237 (108 Pages)
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