Computer Science & IT

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Q. What is the worst-case time complexity of insertion sort?
  • A. O(n)
  • B. O(n log n)
  • C. O(n^2)
  • D. O(log n)
Q. What is the worst-case time complexity of Merge Sort?
  • A. O(n)
  • B. O(n log n)
  • C. O(n^2)
  • D. O(log n)
Q. What is the worst-case time complexity of Quick Sort?
  • A. O(n log n)
  • B. O(n^2)
  • C. O(n)
  • D. O(log n)
Q. What is the worst-case time complexity of quicksort?
  • A. O(n log n)
  • B. O(n^2)
  • C. O(n)
  • D. O(log n)
Q. What is the worst-case time complexity of searching for an element in a binary search tree?
  • A. O(n)
  • B. O(log n)
  • C. O(n log n)
  • D. O(1)
Q. What is the worst-case time complexity of searching for an element in a sorted array using binary search?
  • A. O(n)
  • B. O(log n)
  • C. O(n log n)
  • D. O(1)
Q. What is the worst-case time complexity of searching for an element in an unsorted array?
  • A. O(1)
  • B. O(n)
  • C. O(log n)
  • D. O(n log n)
Q. What is the worst-case time complexity of sorting a stack using another stack?
  • A. O(n)
  • B. O(n log n)
  • C. O(n^2)
  • D. O(n^3)
Q. What is the worst-case time complexity of the depth-first search (DFS) algorithm on a binary tree?
  • A. O(n)
  • B. O(log n)
  • C. O(n log n)
  • D. O(1)
Q. What is tokenization in Natural Language Processing (NLP)?
  • A. The process of converting text into numerical data
  • B. The process of splitting text into individual words or phrases
  • C. The process of training a model on labeled data
  • D. The process of evaluating model performance
Q. What is transfer learning in deep learning?
  • A. Training a model from scratch on a new dataset
  • B. Using a pre-trained model on a new but related task
  • C. Fine-tuning a model on the same dataset
  • D. Applying unsupervised learning techniques
Q. What is transfer learning in the context of CNNs?
  • A. Training a model from scratch on a new dataset
  • B. Using a pre-trained model on a new but related task
  • C. Combining multiple models to improve performance
  • D. Fine-tuning hyperparameters of a model
Q. What layer of the OSI model does HTTP operate on?
  • A. Application
  • B. Transport
  • C. Network
  • D. Data Link
Q. What layer of the OSI model is responsible for end-to-end communication and error recovery?
  • A. Application Layer
  • B. Transport Layer
  • C. Network Layer
  • D. Data Link Layer
Q. What layer of the OSI model is responsible for end-to-end communication?
  • A. Application Layer
  • B. Transport Layer
  • C. Network Layer
  • D. Data Link Layer
Q. What layer of the OSI model is responsible for routing packets between devices?
  • A. Application Layer
  • B. Transport Layer
  • C. Network Layer
  • D. Data Link Layer
Q. What layer of the TCP/IP model corresponds to the Transport Layer of the OSI model?
  • A. Application Layer
  • B. Internet Layer
  • C. Transport Layer
  • D. Network Access Layer
Q. What metric is commonly used to evaluate the performance of a classification model?
  • A. Mean Squared Error
  • B. Accuracy
  • C. R-squared
  • D. Confusion Matrix
Q. What metric is commonly used to evaluate the performance of clustering algorithms?
  • A. Accuracy
  • B. Silhouette score
  • C. F1 score
  • D. Mean squared error
Q. What metric is often used to evaluate the performance of a Decision Tree?
  • A. Mean Squared Error.
  • B. Accuracy.
  • C. F1 Score.
  • D. Confusion Matrix.
Q. What modification is needed to perform binary search on a rotated sorted array?
  • A. No modification needed
  • B. Use linear search
  • C. Modify the mid-point calculation
  • D. Use a different algorithm
Q. What must be true about the data structure for binary search to work?
  • A. The data must be unsorted.
  • B. The data must be sorted.
  • C. The data must be in a tree structure.
  • D. The data must be in a linked list.
Q. What operation is performed to maintain the balance of an AVL tree after insertion?
  • A. Rotation
  • B. Traversal
  • C. Recoloring
  • D. Resizing
Q. What role do Decision Trees play in credit scoring?
  • A. They are used to generate random scores
  • B. They help in visualizing credit risk factors
  • C. They are the only method used for scoring
  • D. They eliminate the need for data collection
Q. What role do neural networks play in autonomous vehicles?
  • A. Data storage
  • B. Path planning and obstacle detection
  • C. User interface design
  • D. Network security
Q. What role do neural networks play in financial forecasting?
  • A. Creating user interfaces
  • B. Predicting market trends
  • C. Managing databases
  • D. Encrypting transactions
Q. What role do neural networks play in recommendation systems?
  • A. Data encryption
  • B. User profiling
  • C. Content generation
  • D. Network security
Q. What role do stacks play in backtracking algorithms?
  • A. They store the final result.
  • B. They keep track of the path taken.
  • C. They sort the elements.
  • D. They manage memory allocation.
Q. What role does backpropagation play in training neural networks?
  • A. It initializes the weights of the network
  • B. It updates the weights based on the error gradient
  • C. It evaluates the model's performance
  • D. It selects the activation function
Q. What role does the 'C' parameter play in SVM?
  • A. It controls the number of support vectors
  • B. It determines the kernel type
  • C. It balances the trade-off between maximizing the margin and minimizing classification error
  • D. It sets the learning rate
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