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. Which of the following best describes the relationship between syntax trees and intermediate code?
  • A. Syntax trees are generated after intermediate code
  • B. Intermediate code is generated directly from syntax trees
  • C. Syntax trees and intermediate code are the same
  • D. Intermediate code is generated before syntax trees
Q. Which of the following best describes the space complexity of binary search?
  • A. O(n)
  • B. O(log n)
  • C. O(1)
  • D. O(n log n)
Q. Which of the following C++ functions can be used to implement binary search on a sorted array?
  • A. std::find
  • B. std::search
  • C. std::binary_search
  • D. std::linear_search
Q. Which of the following C++ functions can be used to implement binary search?
  • A. std::find
  • B. std::search
  • C. std::binary_search
  • D. std::linear_search
Q. Which of the following C++ functions correctly implements binary search?
  • A. int binarySearch(int arr[], int l, int r, int x)
  • B. void binarySearch(int arr[], int x)
  • C. int binarySearch(int arr[], int x)
  • D. bool binarySearch(int arr[], int l, int r)
Q. Which of the following clustering methods can handle non-spherical clusters?
  • A. K-Means
  • B. Hierarchical Clustering
  • C. DBSCAN
  • D. All of the above
Q. Which of the following clustering methods can produce non-convex clusters?
  • A. K-means
  • B. Hierarchical clustering
  • C. DBSCAN
  • D. Both B and C
Q. Which of the following clustering methods is best suited for discovering clusters of varying shapes and densities?
  • A. K-Means
  • B. DBSCAN
  • C. Agglomerative Clustering
  • D. Gaussian Mixture Models
Q. Which of the following clustering methods is best suited for discovering clusters of arbitrary shapes?
  • A. K-Means
  • B. DBSCAN
  • C. Agglomerative Clustering
  • D. Gaussian Mixture Models
Q. Which of the following clustering methods is best suited for discovering non-globular shapes in data?
  • A. K-means
  • B. DBSCAN
  • C. Hierarchical clustering
  • D. Gaussian Mixture Models
Q. Which of the following clustering methods is best suited for discovering non-linear relationships in data?
  • A. K-means
  • B. Hierarchical clustering
  • C. DBSCAN
  • D. Gaussian Mixture Models
Q. Which of the following clustering methods is best suited for discovering non-spherical clusters?
  • A. K-means
  • B. Hierarchical clustering
  • C. DBSCAN
  • D. Gaussian Mixture Models
Q. Which of the following clustering methods is sensitive to outliers?
  • A. K-means
  • B. Hierarchical clustering
  • C. DBSCAN
  • D. Gaussian Mixture Models
Q. Which of the following conditions must be true for binary search to work?
  • A. Array must be sorted
  • B. Array must be unsorted
  • C. Array must contain unique elements
  • D. Array must be of fixed size
Q. Which of the following data structures allows for dynamic resizing?
  • A. Array
  • B. Linked List
  • C. Stack
  • D. Queue
Q. Which of the following data structures can be efficiently searched using binary search?
  • A. Linked List
  • B. Stack
  • C. Queue
  • D. Sorted Array
Q. Which of the following data structures can be used to implement a queue?
  • A. Array
  • B. Linked List
  • C. Stack
  • D. Both Array and Linked List
Q. Which of the following data structures can be used to implement binary search efficiently?
  • A. Linked List
  • B. Array
  • C. Stack
  • D. Queue
Q. Which of the following data structures can be used to implement binary search?
  • A. Linked List
  • B. Array
  • C. Stack
  • D. Queue
Q. Which of the following data structures can binary search be applied to?
  • A. Linked lists
  • B. Binary trees
  • C. Sorted arrays
  • D. Hash tables
Q. Which of the following data structures is commonly used to implement BFS?
  • A. Stack
  • B. Queue
  • C. Linked List
  • D. Array
Q. Which of the following data structures is most efficient for implementing Dijkstra's algorithm?
  • A. Array
  • B. Linked List
  • C. Binary Heap
  • D. Stack
Q. Which of the following data structures is typically used to implement DFS?
  • A. Queue
  • B. Stack
  • C. Array
  • D. Linked List
Q. Which of the following data structures uses LIFO (Last In First Out) principle?
  • A. Queue
  • B. Stack
  • C. Array
  • D. Linked List
Q. Which of the following describes a convolutional neural network (CNN)?
  • A. A network designed for sequential data
  • B. A network that uses convolutional layers for image processing
  • C. A network that only uses fully connected layers
  • D. A network that does not require any training
Q. Which of the following distance metrics is commonly used in K-means clustering?
  • A. Manhattan distance
  • B. Cosine similarity
  • C. Euclidean distance
  • D. Jaccard index
Q. Which of the following dynamic programming problems can be solved in polynomial time?
  • A. Traveling Salesman Problem
  • B. Longest Increasing Subsequence
  • C. Hamiltonian Path
  • D. Graph Coloring
Q. Which of the following dynamic programming problems can be solved using a bottom-up approach?
  • A. Longest Common Subsequence
  • B. Fibonacci Sequence
  • C. Matrix Chain Multiplication
  • D. All of the above
Q. Which of the following fields has seen significant use of SVM?
  • A. Healthcare for disease classification
  • B. Manufacturing for process optimization
  • C. Finance for risk assessment
  • D. All of the above
Q. Which of the following grammars can be parsed using LL(1) parsing?
  • A. Left-recursive grammars
  • B. Ambiguous grammars
  • C. Non-left-recursive and unambiguous grammars
  • D. Context-free grammars only
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