NTS GAT Subject (Computer Science) FLP 2 Free Quiz

NTS GAT Subject (Computer Science) – FLP 2

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NTS GAT Subject (Computer Science) – FLP 2 consists of 100 MCQs covering 1 subjects. You have 120 minutes to complete it. Start with the easier questions and manage your time wisely. Good luck!

Computer Science 100 MCQs

1. What is pseudocode?

A. An informal algorithm description B. A programming language C. A compiler D. A data structure

2. What is the for loop used for?

A. Iteration with known repetitions B. Iteration with unknown repetitions C. Conditional execution D. Function definition

3. What is a function in programming?

A. A data structure B. A variable C. A block of reusable code D. A loop

4. Which function is used for output in C programming?

A. printf() B. scanf() C. cout D. System.out.println()

5. What is a char data type used for?

A. A string B. A single character C. A number D. A decimal value

6. What is the break statement used for?

A. To start a loop B. To continue a loop C. To exit a loop prematurely D. To skip an iteration

7. What is Object-Oriented Programming (OOP)?

A. Based on objects and classes B. Based on functions only C. Based on arrays only D. Based on pointers only

8. What is an object in OOP?

A. A class B. A function C. A variable D. An instance of a class

9. What is a subclass?

A. A class that creates objects B. A class that inherits from another class C. A class that is inherited from D. A class with no methods

10. What is a JavaBean?

A. A reusable software component B. A type of class C. A type of interface D. A method

11. What does the push operation do in a stack?

A. Adds element to top B. Removes element from top C. Adds element to bottom D. Removes element from bottom

12. What is a directed graph?

A. Edges with direction B. Edges without direction C. No edges D. Only vertices

13. What is a heap data structure?

A. Array-based structure B. Linked list C. Graph D. Tree satisfying heap property

14. What does Big O notation describe?

A. Lower bound B. Upper bound C. Average case D. Best case

15. What is the time complexity of bubble sort?

A. O(n) B. O(log n) C. O(n log n) D. O(n^2)

16. What is recursion?

A. When a function calls another function B. When a function calls itself C. When a loop iterates D. When a program ends

17. What does Dijkstra's algorithm find?

A. Finds shortest path B. Finds longest path C. Finds any path D. Finds no path

18. What is a brute force algorithm?

A. Tries one solution B. Tries all possible solutions C. Tries no solutions D. Tries random solutions

19. What data structure does DFS use?

A. Queue B. Array C. Tree D. Stack

20. What is a DBMS?

A. A database B. A query language C. Software that manages a database D. A table

21. Which SQL statement removes records from a table?

A. INSERT B. UPDATE C. DELETE D. SELECT

22. What does First Normal Form (1NF) require?

A. No redundancy B. Atomic values C. No transitive dependency D. No partial dependency

23. What does Third Normal Form (3NF) require?

A. 2NF only B. 2NF and no partial dependency C. 2NF and no transitive dependency D. No redundancy

24. What does an INNER JOIN do?

A. Returns rows with matching values in both tables B. Returns all rows from left table C. Returns all rows from right table D. Returns all rows from both tables

25. What is the HAVING clause used for?

A. Filters groups after GROUP BY B. Filters rows before GROUP BY C. Orders the groups D. Deletes groups

26. What does the COUNT aggregate function do?

A. Returns sum of values B. Returns number of rows C. Returns average D. Returns maximum

27. What does a file system do?

A. Manages storage of data B. Manages memory C. Manages CPU D. Manages network

28. What is a mutex?

A. A locking mechanism B. A semaphore C. A condition variable D. A monitor

29. What is a shell?

A. A kernel B. A command-line interface C. A graphical interface D. A process

30. What is a real-time operating system (RTOS) used for?

A. For general purpose computing B. For batch processing C. For applications with strict time constraints D. For network servers

31. What is a system call?

A. A hardware interrupt B. A request to the kernel C. A compiler directive D. A library function

32. What is a page fault?

A. When a process terminates B. When memory is not in physical RAM C. When CPU is busy D. When file is missing

33. What are IP addresses?

A. Unique identifiers for devices B. Device names C. User names D. File names

34. What is SMTP used for?

A. Sending emails B. Receiving emails C. Web browsing D. File transfer

35. How many bits are in a typical IPv4 address?

A. 16 bits B. 64 bits C. 128 bits D. 32 bits

36. How many bits are in an IPv6 address?

A. 32 bits B. 128 bits C. 64 bits D. 256 bits

37. What is software testing?

A. Find bugs and ensure quality B. Write code C. Design software D. Gather requirements

38. What is acceptance testing?

A. Verifies user requirements B. Tests internal components C. Tests code coverage D. Tests performance

39. What is a repository?

A. A backup file B. A storage location for code and history C. A branch D. A commit

40. What is black-box testing?

A. Testing without internal code knowledge B. Testing with internal code knowledge C. Testing only code coverage D. Testing only performance

41. What is white-box testing?

A. Tests external behavior B. Tests user interface C. Tests internal structure and logic D. Tests system integration

42. What is ROM?

A. Non-volatile B. Volatile C. Both volatile and non-volatile D. Not used in computers

43. What is a bus in computer architecture?

A. A cable B. A connector C. A communication system for data transfer D. A power supply

44. What does the data bus do?

A. Carries addresses B. Carries control signals C. Carries power D. Carries data

45. Which architecture is based on stored-program concept?

A. Harvard architecture B. RISC architecture C. Von Neumann architecture D. CISC architecture

46. What are the stages of the instruction cycle?

A. Read, write, execute B. Fetch, decode, execute, store C. Load, store, execute D. Fetch, execute, write

47. How does little-endian store bytes?

A. Most significant byte first B. Middle byte first C. Least significant byte first D. Random order

48. What type of language does a DFA accept?

A. Context-free language B. Context-sensitive language C. Regular language D. Recursively enumerable language

49. What are the components of a context-free grammar?

A. Terminals, non-terminals, productions, start symbol B. Only terminals C. Only non-terminals D. Only productions

50. Is the complement of a regular language regular?

A. Always regular B. Never regular C. Sometimes regular D. Always context-free

51. What is a minimum DFA?

A. Largest DFA B. Smallest DFA C. Most complex DFA D. Smallest DFA accepting the language

52. What is peephole optimization?

A. Examines small instruction sequences B. Examines entire programs C. Examines data structures D. Examines symbol tables

53. What does a loader do?

A. Compiles code B. Loads into memory C. Links files D. Optimizes code

54. What are the two main types of parsers?

A. Top-down or bottom-up B. Left-to-right or right-to-left C. Depth-first or breadth-first D. Recursive or iterative

55. What type of parsing is recursive descent?

A. Bottom-up parsing B. LR parsing C. Recursive descent parsing D. Operator precedence parsing

56. What is loop unrolling?

A. Removes loops B. Adds loops C. Combines loops D. Replicates loop iterations to reduce overhead

57. What is an interpreter?

A. Translates to machine code B. Compiles to bytecode C. Executes directly D. Converts to assembly

58. What is bytecode?

A. Machine code B. Source code C. Assembly code D. Bytecode

59. What is a cross-compiler?

A. Same platform B. Different platform C. Different target platform D. Same target platform

60. What parses deterministic context-free languages?

A. Deterministic pushdown automaton B. Non-deterministic pushdown automaton C. Finite automaton D. Turing machine

61. What does the action table in LR parsing specify?

A. Shift or reduce actions B. Goto actions C. Error actions D. Accept actions

62. What does the goto table in LR parsing specify?

A. Shift actions B. Reduce actions C. Transitions between states D. Error recovery

63. What is function inlining?

A. Removes function B. Adds function call C. Replaces function with comment D. Replaces call with function body

64. Which language uses templates?

A. Java B. Python C. JavaScript D. C++

65. What does a type variable represent?

A. Fixed type B. Arbitrary type C. Integer type D. Boolean type

66. What is a type class in Haskell?

A. Java interface B. C++ class C. Haskell type class D. Python class

67. What is used for handling side effects in functional programming?

A. Object-oriented pattern B. Procedural pattern C. Concurrent pattern D. Monad

68. What is concurrency?

A. Sequential execution B. Parallel execution C. Single execution D. Multiple tasks simultaneously

69. What allows threads to wait for specific conditions?

A. Data structure B. Lock C. Thread D. Condition variable

70. What is a deadlock?

A. Process termination B. Resource allocation C. Processes wait indefinitely D. CPU idle

71. What problem illustrates deadlock and synchronization?

A. Producer-consumer B. Reader-writer C. Sleeping barber D. Dining philosophers

72. What is a core dump?

A. Compile output B. Link output C. Execution log D. Memory snapshot at crash

73. What is debugging?

A. Writing code B. Finding and fixing errors C. Testing code D. Designing code

74. What is stepping in debugging?

A. Runs all code B. Skips code C. Executes line by line D. Jumps to end

75. What can a compiler target by changing the back-end?

A. Different architectures B. Same architecture C. Only x86 D. Only ARM

76. What is the first phase of a compiler?

A. Parsing B. Code generation C. Lexical analysis D. Optimization

77. What is LR parsing?

A. Top-down parsing B. Bottom-up parsing C. Recursive descent D. LL parsing

78. What is Breadth-First Search?

A. Branch by branch B. Level by level C. Random order D. Reverse order

79. What is overfitting?

A. Learns patterns B. Learns features C. Learns labels D. Learns noise

80. What is logistic regression used for?

A. Regression B. Classification C. Clustering D. Reinforcement

81. What does SVM do?

A. Clustering B. Regression C. Reinforcement D. Find a hyperplane for classification

82. What is SGD?

A. Batch B. Stochastic (one sample) C. Mini-batch D. All samples

83. What is bagging?

A. Boosting B. Bagging C. Stacking D. Voting

84. What is the data science lifecycle?

A. Only modeling B. Only deployment C. Only preparation D. Problem formulation, data prep, modeling, deployment

85. What is EDA?

A. Modeling B. Exploratory Data Analysis C. Deployment D. Cleaning

86. What does a histogram display?

A. Categorical data B. Correlation C. Time series D. Numerical variable distribution

87. What is a line plot used for?

A. Categorical data B. Correlation C. Time series D. Distribution

88. What are the 3Vs of Big Data?

A. Only volume B. Only velocity C. Volume, velocity, variety D. Only variety

89. What does ETL stand for?

A. Extract, Load, Transform B. Extract, Transform, Load C. Extract, Load, Transform D. ETL

90. What does a data warehouse store?

A. Operational data B. Historical data C. Real-time data D. Unstructured data

91. What does a web server do?

A. Web server B. Database server C. Mail server D. File server

92. What is the address of a web resource called?

A. IP address B. MAC address C. Domain name D. URL

93. What is a cookie?

A. Cookie B. Session C. Local storage D. Cache

94. What does ORM do?

A. ORM B. SQL C. NoSQL D. JSON

95. What projection simulates depth?

A. Orthographic B. Perspective C. Isometric D. Parallel

96. What is the hold time?

A. Setup time B. Propagation delay C. Hold time D. Transition

97. What extends propositional logic with quantifiers?

A. Propositional B. Predicate C. Modal D. Fuzzy

98. What events do not affect each other?

A. Mutually exclusive B. Dependent C. Correlated D. Independent

99. What assesses evidence against a null hypothesis?

A. Estimation B. Description C. Prediction D. Hypothesis testing

100. What models events in a fixed interval?

A. Binomial B. Normal C. Poisson D. Uniform

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