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 is a common challenge in model deployment?
  • A. Data preprocessing
  • B. Model interpretability
  • C. Scalability and performance
  • D. Feature selection
Q. Which of the following is a common cloud ML service provider?
  • A. Google Cloud AI
  • B. Localhost ML
  • C. Desktop ML Suite
  • D. Offline AI Tools
Q. Which of the following is a common criterion for splitting nodes in Decision Trees?
  • A. Mean Squared Error
  • B. Gini Impurity
  • C. Euclidean Distance
  • D. Cross-Entropy
Q. Which of the following is a common data structure used to represent the syntax tree in compilers?
  • A. Array
  • B. Linked list
  • C. Binary tree
  • D. Hash table
Q. Which of the following is a common error control method used in data transmission?
  • A. Checksum
  • B. Encryption
  • C. Compression
  • D. Segmentation
Q. Which of the following is a common error detected by a lexical analyzer?
  • A. Syntax errors
  • B. Type errors
  • C. Unrecognized characters
  • D. Semantic errors
Q. Which of the following is a common evaluation metric for classification models?
  • A. Mean Squared Error
  • B. Accuracy
  • C. Silhouette Score
  • D. R-squared
Q. Which of the following is a common evaluation metric for classification problems?
  • A. Mean Squared Error
  • B. Accuracy
  • C. R-squared
  • D. Silhouette Score
Q. Which of the following is a common evaluation metric for classification tasks in neural networks?
  • A. Mean Absolute Error
  • B. F1 Score
  • C. Root Mean Squared Error
  • D. R-squared
Q. Which of the following is a common evaluation metric for classification tasks?
  • A. Mean Squared Error
  • B. Accuracy
  • C. R-squared
  • D. Silhouette Score
Q. Which of the following is a common evaluation metric for image classification tasks?
  • A. Mean Squared Error
  • B. Accuracy
  • C. F1 Score
  • D. Confusion Matrix
Q. Which of the following is a common evaluation metric for regression models?
  • A. Accuracy
  • B. F1 Score
  • C. Mean Absolute Error
  • D. Confusion Matrix
Q. Which of the following is a common evaluation metric for SVM classification performance?
  • A. Mean Squared Error
  • B. Accuracy
  • C. Silhouette Score
  • D. Confusion Matrix
Q. Which of the following is a common form of intermediate code generated by syntax-directed translation?
  • A. Assembly language
  • B. Three-address code
  • C. Bytecode
  • D. Machine code
Q. Which of the following is a common loss function used for regression tasks in neural networks?
  • A. Binary Cross-Entropy
  • B. Categorical Cross-Entropy
  • C. Mean Squared Error
  • D. Hinge Loss
Q. Which of the following is a common loss function used in neural networks for classification tasks?
  • A. Mean Squared Error
  • B. Cross-Entropy Loss
  • C. Hinge Loss
  • D. Log-Cosh Loss
Q. Which of the following is a common method for deploying machine learning models?
  • A. Batch processing
  • B. Real-time inference
  • C. Both batch processing and real-time inference
  • D. None of the above
Q. Which of the following is a common method for encoding categorical variables?
  • A. Label Encoding
  • B. Min-Max Scaling
  • C. Standardization
  • D. Feature Extraction
Q. Which of the following is a common method for evaluating the performance of a neural network?
  • A. Confusion matrix
  • B. Gradient descent
  • C. Batch normalization
  • D. Dropout
Q. Which of the following is a common method for feature extraction?
  • A. K-means Clustering
  • B. Support Vector Machines
  • C. Principal Component Analysis
  • D. Decision Trees
Q. Which of the following is a common method for handling imbalanced datasets in classification problems?
  • A. Using a larger dataset
  • B. Oversampling the minority class
  • C. Reducing the number of features
  • D. Using a simpler model
Q. Which of the following is a common method for handling missing data in a dataset?
  • A. Removing all rows with missing values
  • B. Replacing missing values with the mean or median
  • C. Ignoring the missing values during training
  • D. All of the above
Q. Which of the following is a common method for handling missing data in feature engineering?
  • A. Removing all rows with missing values
  • B. Imputing missing values with the mean or median
  • C. Ignoring missing values during model training
  • D. Using only complete cases for analysis
Q. Which of the following is a common method for handling missing data?
  • A. Removing all rows with missing values
  • B. Imputing missing values with the mean or median
  • C. Ignoring missing values during training
  • D. Using a more complex model
Q. Which of the following is a common method for model selection?
  • A. Grid Search
  • B. Data Augmentation
  • C. Feature Engineering
  • D. Ensemble Learning
Q. Which of the following is a common method for performing constant folding?
  • A. Evaluating expressions at compile time
  • B. Removing unused variables
  • C. Inlining functions
  • D. Rearranging code for efficiency
Q. Which of the following is a common method for preventing overfitting in Decision Trees?
  • A. Increasing the maximum depth of the tree.
  • B. Pruning the tree after it has been fully grown.
  • C. Using more features.
  • D. Decreasing the number of samples.
Q. Which of the following is a common method for word embeddings?
  • A. TF-IDF
  • B. Bag of Words
  • C. Word2Vec
  • D. Count Vectorization
Q. Which of the following is a common method used to represent the policy in reinforcement learning?
  • A. Decision Trees
  • B. Neural Networks
  • C. Support Vector Machines
  • D. Linear Regression
Q. Which of the following is a common modification to binary search for finding the first occurrence of a target?
  • A. Use a linear search
  • B. Continue searching in the left half even after finding the target
  • C. Sort the array first
  • D. Use a stack
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