Computer Science & IT

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Q. What is the main limitation of using accuracy as a metric?
  • A. It does not account for class imbalance
  • B. It is difficult to calculate
  • C. It only applies to binary classification
  • D. It requires a large dataset
Q. What is the main limitation of using accuracy as a performance metric?
  • A. It does not consider false positives and false negatives
  • B. It is not applicable to regression problems
  • C. It is too complex to calculate
  • D. It requires a large dataset
Q. What is the main limitation of using accuracy as an evaluation metric?
  • A. It does not account for false positives and false negatives
  • B. It is only applicable to regression problems
  • C. It requires a large dataset to be effective
  • D. It is difficult to calculate
Q. What is the main property of an AVL tree?
  • A. It is a binary search tree with a balance factor of -1, 0, or 1.
  • B. It allows duplicate values.
  • C. It is a complete binary tree.
  • D. It is a binary tree with no children.
Q. What is the main property that distinguishes an AVL tree from a Red-Black tree?
  • A. AVL trees are always balanced, Red-Black trees are not
  • B. Red-Black trees allow for more unbalanced structures than AVL trees
  • C. AVL trees can have a maximum height difference of 2, Red-Black trees can have a maximum height difference of 1
  • D. Both trees are identical in balancing properties
Q. What is the main property that distinguishes an AVL tree from a regular binary search tree?
  • A. It is always balanced with a height difference of at most 1
  • B. It allows duplicate values
  • C. It can have any height difference
  • D. It is implemented using linked lists
Q. What is the main purpose of a database management system (DBMS)?
  • A. To manage hardware
  • B. To store and retrieve data
  • C. To design websites
  • D. To create applications
Q. What is the main purpose of a router in a network?
  • A. To connect multiple devices within the same network
  • B. To manage IP address assignments
  • C. To route data between different networks
  • D. To provide wireless connectivity
Q. What is the main purpose of a VLAN in a switched network?
  • A. To increase the speed of the network
  • B. To segment a network into different broadcast domains
  • C. To provide redundancy
  • D. To enhance security by isolating traffic
Q. What is the main purpose of an algorithm in computer science?
  • A. To store data
  • B. To perform calculations
  • C. To solve problems
  • D. To design hardware
Q. What is the main purpose of an API?
  • A. To provide a user interface
  • B. To allow different software applications to communicate
  • C. To store data
  • D. To manage hardware
Q. What is the main purpose of balancing in AVL and Red-Black trees?
  • A. To reduce memory usage
  • B. To ensure O(log n) time complexity for operations
  • C. To allow duplicate values
  • D. To simplify the implementation
Q. What is the main purpose of feature importance in Random Forests?
  • A. To reduce the number of trees in the forest.
  • B. To identify which features contribute most to the predictions.
  • C. To increase the depth of the trees.
  • D. To ensure all features are used equally.
Q. What is the main purpose of pruning a Decision Tree?
  • A. To increase the depth of the tree
  • B. To reduce the size of the tree and prevent overfitting
  • C. To improve the training speed
  • D. To enhance feature selection
Q. What is the main purpose of pruning in Decision Trees?
  • A. To increase the depth of the tree
  • B. To reduce the size of the tree and prevent overfitting
  • C. To improve the interpretability of the tree
  • D. To enhance the training speed
Q. What is the main purpose of the ARP protocol?
  • A. To resolve IP addresses to MAC addresses
  • B. To manage network traffic
  • C. To establish a secure connection
  • D. To route packets between networks
Q. What is the main purpose of the forget gate in an LSTM?
  • A. To decide what information to keep from the previous cell state.
  • B. To initialize the cell state.
  • C. To output the final prediction.
  • D. To control the input to the cell state.
Q. What is the main purpose of the HTTP protocol?
  • A. To send emails
  • B. To transfer web pages
  • C. To manage network devices
  • D. To establish VPN connections
Q. What is the main purpose of the Network layer in the OSI model?
  • A. Data formatting
  • B. Path determination and logical addressing
  • C. Session management
  • D. Data encryption
Q. What is the main purpose of the partitioning step in Quick Sort?
  • A. To merge two sorted arrays
  • B. To find the median
  • C. To rearrange elements around a pivot
  • D. To build a heap
Q. What is the main purpose of the softmax function in a CNN?
  • A. To normalize the output to a probability distribution
  • B. To reduce dimensionality
  • C. To apply a non-linear transformation
  • D. To perform convolution
Q. What is the main purpose of using clustering methods in data analysis?
  • A. To predict outcomes based on input features
  • B. To group similar data points for better understanding
  • C. To reduce the number of features in a dataset
  • D. To classify data into specific categories
Q. What is the main purpose of using cross-validation in model evaluation?
  • A. To increase training time
  • B. To reduce overfitting
  • C. To improve model complexity
  • D. To enhance data size
Q. What is the main purpose of using cross-validation when training a Decision Tree?
  • A. To increase the size of the training set
  • B. To tune hyperparameters
  • C. To assess the model's generalization ability
  • D. To visualize the tree structure
Q. What is the main purpose of using distance metrics in clustering algorithms?
  • A. To determine the number of clusters
  • B. To measure the similarity or dissimilarity between data points
  • C. To visualize the clusters formed
  • D. To optimize the performance of the algorithm
Q. What is the main purpose of using embeddings in NLP?
  • A. To reduce the dimensionality of text data
  • B. To convert text into a format suitable for machine learning
  • C. To capture semantic meaning of words
  • D. To improve the speed of tokenization
Q. What is the main purpose of using the silhouette coefficient in clustering?
  • A. To measure the distance between clusters
  • B. To evaluate the compactness and separation of clusters
  • C. To determine the number of clusters
  • D. To visualize the clusters
Q. What is the main requirement for using binary search?
  • A. The array must be unsorted
  • B. The array must be sorted
  • C. The array must contain unique elements
  • D. The array must be of fixed size
Q. What is the maximum depth of a binary tree with 'n' nodes?
  • A. n
  • B. log n
  • C. n/2
  • D. n - 1
Q. What is the maximum depth of a Decision Tree?
  • A. It is always fixed.
  • B. It can be controlled by hyperparameters.
  • C. It is determined by the number of features.
  • D. It is irrelevant to the model's performance.
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