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 algorithms uses dynamic programming to find the shortest path in a graph?
  • A. Dijkstra's Algorithm
  • B. Bellman-Ford Algorithm
  • C. A* Search
  • D. Depth First Search
Q. Which of the following algorithms uses dynamic programming to solve the problem of matrix chain multiplication?
  • A. Dijkstra's Algorithm
  • B. Floyd-Warshall Algorithm
  • C. Bellman-Ford Algorithm
  • D. Matrix Chain Order
Q. Which of the following algorithms uses dynamic programming to solve the problem of finding the shortest path in a weighted graph?
  • A. Dijkstra's Algorithm
  • B. Bellman-Ford Algorithm
  • C. A* Search
  • D. Depth-First Search
Q. Which of the following algorithms uses dynamic programming to solve the problem?
  • A. Dijkstra's Algorithm
  • B. Merge Sort
  • C. Floyd-Warshall Algorithm
  • D. Quick Sort
Q. Which of the following applications can be efficiently solved using a stack?
  • A. Undo functionality in text editors
  • B. Breadth-first search in graphs
  • C. Finding the shortest path in a weighted graph
  • D. Sorting an array
Q. Which of the following applications can be solved using BFS?
  • A. Finding connected components
  • B. Topological sorting
  • C. Cycle detection
  • D. Finding strongly connected components
Q. Which of the following applications can benefit from clustering?
  • A. Customer segmentation
  • B. Spam detection
  • C. Image classification
  • D. Time series forecasting
Q. Which of the following applications can benefit from Dijkstra's algorithm?
  • A. GPS navigation systems
  • B. Sorting large datasets
  • C. Finding duplicates in a list
  • D. Binary search in a sorted array
Q. Which of the following applications can Dijkstra's algorithm be used for?
  • A. Finding the minimum spanning tree
  • B. Routing in computer networks
  • C. Sorting a list of numbers
  • D. Searching for an element in a database
Q. Which of the following applications can utilize binary search?
  • A. Finding the first occurrence of a number
  • B. Finding the last occurrence of a number
  • C. Finding the square root of a number
  • D. All of the above
Q. Which of the following applications is best suited for AVL trees?
  • A. Database indexing.
  • B. Memory management.
  • C. Real-time applications.
  • D. Static data storage.
Q. Which of the following applications is NOT suitable for linear regression?
  • A. Predicting house prices based on features
  • B. Estimating the impact of temperature on ice cream sales
  • C. Classifying images into categories
  • D. Forecasting stock prices based on historical data
Q. Which of the following applications is well-suited for SVM?
  • A. Image classification
  • B. Time series forecasting
  • C. Text generation
  • D. Reinforcement learning
Q. Which of the following assumptions is NOT required for linear regression?
  • A. Linearity
  • B. Homoscedasticity
  • C. Independence of errors
  • D. Normality of predictors
Q. Which of the following best describes 'A/B testing' in the context of model deployment?
  • A. Training two models simultaneously
  • B. Comparing two versions of a model to determine which performs better
  • C. Deploying a model without testing
  • D. None of the above
Q. Which of the following best describes 'AutoML' in cloud ML services?
  • A. Automated machine learning processes
  • B. Manual model tuning
  • C. Basic data visualization
  • D. Static model training
Q. Which of the following best describes 'model drift'?
  • A. A decrease in model accuracy over time
  • B. The process of retraining a model
  • C. The introduction of new features
  • D. A method for optimizing model performance
Q. Which of the following best describes 'shadow deployment'?
  • A. Deploying a model alongside the current model without affecting users
  • B. Completely replacing the old model with a new one
  • C. Deploying a model only during off-peak hours
  • D. Using a model for training while another is in production
Q. Which of the following best describes 'tokenization'?
  • A. The process of generating machine code
  • B. The process of converting source code into tokens
  • C. The process of optimizing code
  • D. The process of parsing syntax
Q. Which of the following best describes a real-world application of queues?
  • A. Call center systems
  • B. File compression algorithms
  • C. Sorting algorithms
  • D. Binary search trees
Q. Which of the following best describes a stack?
  • A. First In First Out
  • B. Last In First Out
  • C. Random Access
  • D. Ordered Collection
Q. Which of the following best describes inherited attributes?
  • A. Attributes passed from parent to child nodes
  • B. Attributes computed from child nodes
  • C. Attributes that do not affect the translation
  • D. Attributes that are only used in semantic actions
Q. Which of the following best describes supervised learning?
  • A. Learning from unlabeled data
  • B. Learning from labeled data
  • C. Learning without feedback
  • D. Learning through reinforcement
Q. Which of the following best describes synthesized attributes?
  • A. Attributes that are passed down from parent to child nodes
  • B. Attributes that are computed from the values of child nodes
  • C. Attributes that are used only during lexical analysis
  • D. Attributes that are not used in syntax-directed translation
Q. Which of the following best describes the binary search algorithm?
  • A. Iterative only
  • B. Recursive only
  • C. Both iterative and recursive
  • D. None of the above
Q. Which of the following best describes the concept of 'model drift'?
  • A. The model's performance improves over time
  • B. The model's predictions become less accurate due to changes in data distribution
  • C. The model's architecture changes during deployment
  • D. The model is retrained with new data
Q. Which of the following best describes the divide-and-conquer approach used in binary search?
  • A. Solving a problem by breaking it down into smaller subproblems
  • B. Using a single loop to iterate through elements
  • C. Recursively calling the same function without any condition
  • D. Sorting the array before searching
Q. Which of the following best describes the iterative approach to binary search?
  • A. Uses recursion
  • B. Uses a loop to narrow down the search
  • C. Requires additional data structures
  • D. Always returns the first occurrence
Q. Which of the following best describes the process of binary search?
  • A. Iteratively checking each element
  • B. Dividing the array into halves
  • C. Sorting the array first
  • D. Using a hash table
Q. Which of the following best describes the relationship between a lexer and a parser?
  • A. The lexer generates machine code, while the parser checks syntax
  • B. The lexer produces tokens, which the parser uses to build a syntax tree
  • C. The lexer and parser perform the same function
  • D. The parser generates tokens, while the lexer checks syntax
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