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Which principle in software engineering states that software entities should be open for extension but closed for modification?
  1. A-Open-Closed Principle
  2. B-Single Responsibility Principle
  3. C-Liskov Substitution Principle
  4. D-Interface Segregation Principle
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In distributed systems, which protocol ensures exactly-once message delivery?
  1. A-Two-Phase Commit
  2. B-Paxos
  3. C-Raft
  4. D-Byzantine Agreement
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Which data structure provides efficient storage and retrieval of spatial data?
  1. A-B-tree
  2. B-Quadtree
  3. C-R-tree
  4. D-Octree
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In compiler design, which optimization technique moves computations outside loops?
  1. A-Constant folding
  2. B-Loop invariant code motion
  3. C-Common subexpression elimination
  4. D-Dead code elimination
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Which theorem establishes that any smooth function can be approximated by neural networks?
  1. A-Universal Approximation Theorem
  2. B-No-Free-Lunch Theorem
  3. C-Bayes' Theorem
  4. D-Central Limit Theorem
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In machine learning, what is the primary purpose of the batch normalization technique?
  1. A-Reduce internal covariate shift
  2. B-Accelerate training
  3. C-Prevent overfitting
  4. D-Improve generalization
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Which data structure provides efficient pattern matching in compressed text?
  1. A-Suffix Array
  2. B-FM-index
  3. C-Hash Table
  4. D-Trie
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In operating systems, what is the primary purpose of the second chance page replacement algorithm?
  1. A-Modification of FIFO
  2. B-Modification of LRU
  3. C-Modification of OPT
  4. D-Modification of MRU
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Which algorithm efficiently computes the maximum subarray sum?
  1. A-Brute Force
  2. B-Kadane's Algorithm
  3. C-Divide and Conquer
  4. D-Dynamic Programming
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In database systems, which normal form requires that every determinant is a candidate key?
  1. A-Third Normal Form
  2. B-Boyce-Codd Normal Form
  3. C-Fourth Normal Form
  4. D-Fifth Normal Form
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Which theorem establishes that any boolean function can be computed by a circuit of depth O(log n)?
  1. A-Cook-Levin Theorem
  2. B-Shannon's Expansion Theorem
  3. C-Razborov's Theorem
  4. D-Ladner's Theorem
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In computational geometry, which algorithm efficiently computes the closest pair of points?
  1. A-Brute Force
  2. B-Divide and Conquer
  3. C-Sweep Line
  4. D-Randomized Algorithm
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Which principle in computer security states that users should have the minimum privileges necessary?
  1. A-Defense in Depth
  2. B-Principle of Least Privilege
  3. C-Separation of Duties
  4. D-Fail-Safe Defaults
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In distributed systems, which consensus algorithm is leaderless?
  1. A-Paxos
  2. B-Raft
  3. C-Byzantine Fault Tolerance
  4. D-Two-Phase Commit
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Which data structure provides efficient persistence with path copying?
  1. A-Persistent data structures
  2. B-Ephemeral data structures
  3. C-Mutable data structures
  4. D-Immutable data structures
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In compiler design, which analysis determines the lifetime of variables?
  1. A-Data flow analysis
  2. B-Liveness analysis
  3. C-Control flow analysis
  4. D-Alias analysis
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Which algorithm efficiently computes the determinant of a matrix?
  1. A-Gaussian Elimination
  2. B-LU Decomposition
  3. C-Leibniz Formula
  4. D-Laplace Expansion
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In database systems, which protocol ensures serializability through timestamp ordering?
  1. A-Two-Phase Locking
  2. B-Timestamp Ordering
  3. C-Multi-Version Concurrency Control
  4. D-Optimistic Concurrency Control
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Which theorem establishes that any planar graph can be colored with at most four colors?
  1. A-Five Color Theorem
  2. B-Four Color Theorem
  3. C-Kuratowski's Theorem
  4. D-Euler's Formula
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In machine learning, what is the primary purpose of the dropout technique?
  1. A-Prevent overfitting
  2. B-Accelerate training
  3. C-Reduce memory usage
  4. D-Improve convergence
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Which algorithm efficiently finds the longest common subsequence of two sequences?
  1. A-Naive Recursion
  2. B-Dynamic Programming
  3. C-Greedy Algorithm
  4. D-Divide and Conquer
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In operating systems, what is the primary purpose of the banker's algorithm?
  1. A-Deadlock avoidance
  2. B-Deadlock detection
  3. C-Deadlock prevention
  4. D-Memory management
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Which data structure provides efficient range minimum queries with O(1) time after O(n log n) preprocessing?
  1. A-Segment Tree
  2. B-Sparse Table
  3. C-Fenwick Tree
  4. D-Binary Indexed Tree
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In computer networks, which protocol provides reliable, ordered, and error-checked delivery of data?
  1. A-UDP
  2. B-TCP
  3. C-IP
  4. D-ICMP
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Which theorem establishes that any continuous function on a closed interval can be uniformly approximated by polynomials?
  1. A-Taylor's Theorem
  2. B-Weierstrass Approximation Theorem
  3. C-Stone-Weierstrass Theorem
  4. D-Bernstein's Theorem
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In formal language theory, which grammar generates the context-sensitive languages?
  1. A-Type 0
  2. B-Type 1
  3. C-Type 2
  4. D-Type 3
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Which algorithm efficiently solves the assignment problem in polynomial time?
  1. A-Brute Force
  2. B-Hungarian Algorithm
  3. C-Simplex Algorithm
  4. D-Branch and Bound
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In quantum computing, what is the primary purpose of quantum error correction?
  1. A-Protection from decoherence
  2. B-Faster quantum gates
  3. C-Larger quantum memory
  4. D-Better quantum algorithms
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Which principle in software engineering states that a class should have only one reason to change?
  1. A-Open-Closed Principle
  2. B-Single Responsibility Principle
  3. C-Liskov Substitution Principle
  4. D-Interface Segregation Principle
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In distributed systems, which algorithm solves the Byzantine Generals Problem?
  1. A-Paxos
  2. B-PBFT
  3. C-Raft
  4. D-Two-Phase Commit
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Which data structure is used for efficient storage and retrieval of multidimensional data?
  1. A-B-tree
  2. B-R-tree
  3. C-Quad-tree
  4. D-Octree
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In compiler design, which optimization technique eliminates redundant computations?
  1. A-Constant folding
  2. B-Common subexpression elimination
  3. C-Loop invariant code motion
  4. D-Dead code elimination
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Which theorem establishes that any symmetric positive-definite matrix has a unique Cholesky decomposition?
  1. A-LU Decomposition Theorem
  2. B-Cholesky Decomposition Theorem
  3. C-QR Decomposition Theorem
  4. D-SVD Theorem
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In machine learning, what is the primary purpose of the Adam optimization algorithm?
  1. A-Adaptive learning rates
  2. B-Gradient clipping
  3. C-Regularization
  4. D-Batch normalization
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Which data structure provides efficient string matching with O(m) preprocessing and O(n) search time?
  1. A-Naive String Matching
  2. B-Knuth-Morris-Pratt Algorithm
  3. C-Rabin-Karp Algorithm
  4. D-Boyer-Moore Algorithm
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In operating systems, what is the primary cause of priority inversion?
  1. A-Resource holding by low-priority task
  2. B-Deadlock situation
  3. C-Starvation of low-priority tasks
  4. D-Context switching overhead
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Which algorithm efficiently multiplies two large integers using divide and conquer?
  1. A-Schoolbook Multiplication
  2. B-Karatsuba Algorithm
  3. C-Toom-Cook Algorithm
  4. D-Schönhage-Strassen Algorithm
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In database systems, which isolation level prevents dirty reads but allows non-repeatable reads?
  1. A-Read Uncommitted
  2. B-Read Committed
  3. C-Repeatable Read
  4. D-Serializable
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Which theorem establishes that any monotonic boolean function can be computed by a monotonic circuit?
  1. A-Cook-Levin Theorem
  2. B-Razborov's Theorem
  3. C-Savitch's Theorem
  4. D-Ladner's Theorem
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In computational geometry, which algorithm efficiently computes the convex hull of a set of points?
  1. A-Jarvis March
  2. B-Graham's Scan
  3. C-Quickhull
  4. D-Chan's Algorithm
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Which principle in computer security states that security should not depend on the secrecy of the algorithm?
  1. A-Saltzer-Schroeder Principle
  2. B-Kerckhoffs's Principle
  3. C-Principle of Least Privilege
  4. D-Defense in Depth
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In formal language theory, which pumping lemma applies to context-free languages?
  1. A-Regular Pumping Lemma
  2. B-Context-Free Pumping Lemma
  3. C-Context-Sensitive Pumping Lemma
  4. D-Recursively Enumerable Pumping Lemma
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Which algorithm efficiently finds the minimum spanning tree in a graph with dense edges?
  1. A-Kruskal's Algorithm
  2. B-Prim's Algorithm
  3. C-Borůvka's Algorithm
  4. D-Reverse-Delete Algorithm
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In cryptography, what is the main vulnerability addressed by forward secrecy?
  1. A-Long-term key compromise
  2. B-Session key compromise
  3. C-Man-in-the-middle attacks
  4. D-Replay attacks
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Which data structure provides efficient persistence with O(1) copying overhead?
  1. A-Persistent data structures
  2. B-Immutable data structures
  3. C-Mutable data structures
  4. D-Ephemeral data structures
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In distributed systems, which protocol ensures atomic commitment across multiple nodes?
  1. A-Paxos
  2. B-Two-Phase Commit
  3. C-Raft
  4. D-Byzantine Agreement
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Which theorem establishes that any sufficiently powerful formal system cannot be both consistent and complete?
  1. A-Church-Turing Thesis
  2. B-Gödel's Incompleteness Theorem
  3. C-Rice's Theorem
  4. D-CAP Theorem
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In machine learning, what is the primary challenge addressed by batch normalization?
  1. A-Vanishing gradients
  2. B-Internal covariate shift
  3. C-Overfitting
  4. D-Underfitting
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Which complexity class contains problems that can be solved by a quantum computer in polynomial time with bounded error?
  1. A-BPP
  2. B-BQP
  3. C-NP
  4. D-QMA
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In quantum computing, what is the significance of the no-cloning theorem?
  1. A-Prevents quantum state copying
  2. B-Limits quantum entanglement
  3. C-Enables quantum teleportation
  4. D-Restricts quantum measurement
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Which algorithm is used for finding strongly connected components in a directed graph?
  1. A-Kruskal's Algorithm
  2. B-Kosaraju's Algorithm
  3. C-Prim's Algorithm
  4. D-Dijkstra's Algorithm
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In operating systems, what is the primary purpose of the working set model?
  1. A-Process scheduling
  2. B-Memory management
  3. C-Deadlock prevention
  4. D-File system organization
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Which data structure is used for efficient range queries and updates?
  1. A-Fenwick Tree
  2. B-Segment Tree
  3. C-Binary Indexed Tree
  4. D-K-D Tree
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In compiler design, which parsing technique handles the largest class of grammars?
  1. A-LL Parsing
  2. B-LR Parsing
  3. C-Recursive Descent Parsing
  4. D-Operator Precedence Parsing
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Which theorem in probability theory states that the sum of a large number of independent random variables tends toward a normal distribution?
  1. A-Law of Large Numbers
  2. B-Central Limit Theorem
  3. C-Bayes' Theorem
  4. D-Monte Carlo Theorem
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In database systems, which normal form requires that every non-prime attribute is fully functionally dependent on every candidate key?
  1. A-First Normal Form
  2. B-Second Normal Form
  3. C-Third Normal Form
  4. D-Boyce-Codd Normal Form
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Which algorithm efficiently computes the maximum flow in a flow network?
  1. A-Ford-Fulkerson Algorithm
  2. B-Edmonds-Karp Algorithm
  3. C-Dinic's Algorithm
  4. D-Push-Relabel Algorithm
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In machine learning, what is the primary purpose of the attention mechanism in transformer models?
  1. A-Weight initialization
  2. B-Dynamic focus on input parts
  3. C-Gradient computation
  4. D-Regularization
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Which principle in software engineering states that a system should be composed of small, independent modules?
  1. A-Principle of Least Astonishment
  2. B-Principle of Modularity
  3. C-Single Responsibility Principle
  4. D-Open-Closed Principle
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In computer graphics, which algorithm is used for hidden surface removal?
  1. A-Z-buffer Algorithm
  2. B-Painter's Algorithm
  3. C-Ray Tracing Algorithm
  4. D-Scanline Algorithm
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Which data structure is typically used to implement a priority queue with efficient extraction of the minimum element?
  1. A-Linked List
  2. B-Binary Heap
  3. C-Hash Table
  4. D-Binary Search Tree
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In cryptography, what is the main vulnerability that the Saltzer-Schroeder principle addresses?
  1. A-Man-in-the-middle attacks
  2. B-Complexity leading to security flaws
  3. C-Key distribution problems
  4. D-Side-channel attacks
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Which theorem establishes that no algorithm can solve the halting problem for all possible program-input pairs?
  1. A-Cook's Theorem
  2. B-Turing's Halting Theorem
  3. C-Rice's Theorem
  4. D-Gödel's Incompleteness Theorem
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In formal language theory, which hierarchy classifies languages based on their generative power?
  1. A-Turing Hierarchy
  2. B-Chomsky Hierarchy
  3. C-Kleene Hierarchy
  4. D-Backus-Naur Hierarchy
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Which algorithm solves the all-pairs shortest path problem for graphs with negative weight edges?
  1. A-Dijkstra's Algorithm
  2. B-Bellman-Ford Algorithm
  3. C-Floyd-Warshall Algorithm
  4. D-Johnson's Algorithm
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In the context of functional programming, what is the Y-combinator used for?
  1. A-Memory allocation optimization
  2. B-Implementing recursion without named functions
  3. C-Type inference
  4. D-Lazy evaluation
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Which principle in quantum mechanics states that identical particles cannot be distinguished by their physical properties?
  1. A-Heisenberg Uncertainty Principle
  2. B-Pauli Exclusion Principle
  3. C-Born Rule
  4. D-Correspondence Principle
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In operating systems, what is the primary cause of the Belady's anomaly?
  1. A-FIFO page replacement algorithm
  2. B-LRU page replacement algorithm
  3. C-Optimal page replacement algorithm
  4. D-Clock page replacement algorithm
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Which data structure provides O(1) time complexity for search, insert, and delete operations on average?
  1. A-Binary Search Tree
  2. B-Hash Table
  3. C-Red-Black Tree
  4. D-B-Tree
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In number theory, which conjecture states that every even integer greater than 2 can be expressed as the sum of two primes?
  1. A-Riemann Hypothesis
  2. B-Goldbach's Conjecture
  3. C-Twin Prime Conjecture
  4. D-Collatz Conjecture
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Which algorithm efficiently finds the shortest paths between all pairs of vertices in a weighted graph?
  1. A-Dijkstra's Algorithm
  2. B-Bellman-Ford Algorithm
  3. C-Floyd-Warshall Algorithm
  4. D-A* Search Algorithm
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In computational complexity theory, which class contains problems that can be verified in polynomial time?
  1. A-P
  2. B-NP
  3. C-NP-Complete
  4. D-NP-Hard
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Which theorem in database theory states that no conjunctive query with inequalities can be expressed in relational algebra?
  1. A-Codd's Theorem
  2. B-Chandra-Merlin Theorem
  3. C-CAP Theorem
  4. D-ACID Theorem
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In distributed systems, which consensus algorithm uses a leader-based approach with log replication?
  1. A-Paxos
  2. B-Raft
  3. C-Byzantine Fault Tolerance
  4. D-Two-Phase Commit
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Which cryptographic protocol enables two parties to establish a shared secret key over an insecure channel without prior shared secrets?
  1. A-RSA Encryption
  2. B-Diffie-Hellman key exchange
  3. C-Elliptic Curve Cryptography
  4. D-Quantum Key Distribution
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In the context of compiler design, what is the primary purpose of the Sethi-Ullman algorithm?
  1. A-Register allocation optimization
  2. B-Lexical analysis optimization
  3. C-Syntax tree minimization
  4. D-Intermediate code generation
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Which combinatorial optimization problem asks for the shortest possible route that visits each vertex exactly once and returns to the origin?
  1. A-Traveling Salesman Problem
  2. B-Hamiltonian Cycle Problem
  3. C-Chinese Postman Problem
  4. D-Knapsack Problem
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In machine learning, what is the primary challenge addressed by the vanishing gradient problem in deep neural networks?
  1. A-Overfitting in convolutional networks
  2. B-Exponential decrease in gradient magnitude
  3. C-Catastrophic forgetting in reinforcement learning
  4. D-Local minima convergence in optimization
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Which theorem establishes the fundamental limit on the precision of simultaneous measurement of certain pairs of physical properties?
  1. A-Bell's Theorem
  2. B-Heisenberg Uncertainty Principle
  3. C-No-Cloning Theorem
  4. D-Schrödinger's Cat Paradox
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In the context of quantum computing, what is the primary significance of Shor's algorithm?
  1. A-Polynomial time prime number generation
  2. B-Exponential speedup for integer factorization
  3. C-Quadratic speedup for database search
  4. D-Linear optimization of quantum circuits
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Which CSS property changes text color?
  1. A-font-color
  2. B-text-color
  3. C-color
  4. D-font-style
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Cascading Style Sheets - CSS
  7. More about this MCQ
Which HTML tag creates a hyperlink?
  1. A-<link>
  2. B-<a>
  3. C-<href>
  4. D-<url>
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / HTML
  7. More about this MCQ
What is the first Islamic month?
  1. A-Ramadan
  2. B-Muharram
  3. C-Shawwal
  4. D-Dhul-Hijjah
  5. MCQ By: MCQSEXAM
  6. Islamic Studies / Islamic Studies
  7. More about this MCQ
What is Power BI's file extension?
  1. A-.xlsx
  2. B-.pbi
  3. C-.pbix
  4. D-.xls
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
What is the DAX multiplication symbol?
  1. A-+
  2. B--
  3. C-/
  4. D-*
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
What is a firewall's primary role?
  1. A-Encrypt data
  2. B-Monitor network traffic
  3. C-Block unauthorized access
  4. D-Detect intrusions
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Cybersecurity
  7. More about this MCQ
Which malware demands payment?
  1. A-Virus
  2. B-Ransomware
  3. C-Spyware
  4. D-Adware
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Cybersecurity
  7. More about this MCQ
What are main Computer Graphics types?
  1. A-Raster and Vector
  2. B-Raster and Scalar
  3. C-Scalar only
  4. D-All of the above
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Computer Graphics
  7. More about this MCQ
Who is a father of Computer Graphics?
  1. A-Nikola Tesla
  2. B-Ivan Sutherland
  3. C-Ada Lovelace
  4. D-Marie Curie
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Computer Graphics
  7. More about this MCQ
Which is a branch of AI?
  1. A-Machine Learning
  2. B-Cyber Forensics
  3. C-Full-Stack Development
  4. D-Network Design
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Artificial Intelligence (AI) and Machine Learning (ML)
  7. More about this MCQ
Who is considered a pioneer of AI?
  1. A-Geoffrey Hinton
  2. B-Andrew Ng
  3. C-John McCarthy
  4. D-Jürgen Schmidhuber
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Artificial Intelligence (AI) and Machine Learning (ML)
  7. More about this MCQ
Which scheduling uses time slices?
  1. A-First-Come-First-Served
  2. B-Shortest Job First
  3. C-Round Robin
  4. D-Priority Scheduling
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Operating Systems
  7. More about this MCQ
How many OSI model layers are there?
  1. A-5
  2. B-6
  3. C-7
  4. D-8
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Computer Networks
  7. More about this MCQ
Which is a balanced binary tree?
  1. A-AVL Tree
  2. B-Binary Search Tree
  3. C-Complete Binary Tree
  4. D-Full Binary Tree
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Algorithms and Data Structures
  7. More about this MCQ
Which data structure uses LIFO?
  1. A-Queue
  2. B-Stack
  3. C-Linked List
  4. D-Tree
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Algorithms and Data Structures
  7. More about this MCQ
What is NOT a .NET component?
  1. A-CLR
  2. B-FCL
  3. C-JVM
  4. D-CTS
  5. MCQ By: MCQSEXAM
  6. Computer Science MCQs / Dot NET
  7. More about this MCQ
Which function counts numeric entries?
  1. A-Use COUNT()
  2. B-Use NUMCOUNT()
  3. C-Use COUNTNUM()
  4. D-Use COUNTA()
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
What is the shortcut to copy formula from above?
  1. A-CTRL + '
  2. B-ALT + '
  3. C-CTRL + SHIFT + '
  4. D-ALT + SHIFT + '
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
What is the shortcut to copy value from cell above?
  1. A-CTRL + SHIFT + C
  2. B-CTRL + ALT + "
  3. C-CTRL + SHIFT + "
  4. D-ALT + SHIFT + "
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
How many undo levels does Excel have?
  1. A-25
  2. B-50
  3. C-75
  4. D-100
  5. MCQ By: MCQSEXAM
  6. Data Science / Power BI
  7. More about this MCQ
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