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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

179 Questions Subject Test
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101
Easy nts Uploaded: 23 Aug 2026

What is the function of a web server?

  • A To host and deliver web pages to clients
  • B To manage printers
  • C To design graphics
  • D To compile programs
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102
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

On which tab in Microsoft Word can you find the Header and Footer commands?

  • A Home
  • B References
  • C View
  • D Insert
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103
Easy nts Uploaded: 13 Aug 2026

What is cloud computing?

  • A Storing data only on local disks
  • B A type of programming language
  • C A hardware component
  • D Delivering computing services over the internet
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104
Medium nts Uploaded: 23 Aug 2026

What is the function of an operating system's device driver?

  • A To store user files
  • B To manage network security
  • C To browse the internet
  • D To enable communication between OS and hardware devices
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105
Easy nts Uploaded: 13 Aug 2026

Which of the following is a low-level programming language?

  • A Java
  • B Python
  • C Assembly Language
  • D C++
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106
Medium nts Uploaded: 13 Aug 2026

What is the purpose of the 'return' statement in a function?

  • A End the program
  • B Start a loop
  • C Declare a variable
  • D Send a value back to the caller
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107
Easy ppsc nts Uploaded: 20 Jun 2026

What does GUI stand for?

  • A General User Interface
  • B Graphical User Interface
  • C Graphic Utility Integration
  • D Global User Internet
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108
Easy nts Uploaded: 09 Aug 2026

What is the full form of USB?

  • A United System Bus
  • B United Serial Bus
  • C Universal System Bus
  • D Universal Serial Bus
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109
Medium nts Uploaded: 13 Aug 2026

What does AI stand for?

  • A Advanced Integration
  • B Artificial Intelligence
  • C Automated Interface
  • D Applied Informatics
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110
Medium nts Uploaded: 07 Aug 2026

Which normal form deals with removing partial dependency on a composite primary key?

  • A Third Normal Form (3NF)
  • B Second Normal Form (2NF)
  • C First Normal Form (1NF)
  • D Boyce-Codd Normal Form (BCNF)
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111
Easy nts Uploaded: 23 Aug 2026

What is a deadlock in operating systems?

  • A A situation where processes wait indefinitely for resources
  • B A network error
  • C A type of virus
  • D A memory leak
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112
Medium nts Uploaded: 13 Aug 2026

What does MS Word primarily deal with?

  • A Spreadsheets
  • B Presentations
  • C Database management
  • D Word processing
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113
Easy nts Uploaded: 23 Aug 2026

Which of the following is used to prevent unauthorized access to a network?

  • A Switch
  • B Modem
  • C Router
  • D Firewall
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114
Easy nts Uploaded: 20 Jun 2026

Which Excel function is used to calculate the average of a range of numbers?

  • A SUM()
  • B COUNT()
  • C AVERAGE()
  • D MAX()
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115
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

Which data structure is primarily used by the Depth-First Search (DFS) algorithm?

  • A Queue
  • B Hash Table
  • C Stack
  • D Heap
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116
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Who co-invented the World Wide Web (WWW) alongside Robert Cailliau?

  • A Tom Berners
  • B Mark Zuckerberg
  • C Tim Berners-Lee
  • D Bill Gates
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117
Hard nts Uploaded: 23 Aug 2026

Which key combination is used to copy text in Windows?

  • A Ctrl+V
  • B Ctrl+C
  • C Ctrl+X
  • D Ctrl+Z
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118
Easy nts Uploaded: 23 Aug 2026

What is the function of the Windows Registry?

  • A To scan documents
  • B To manage printers
  • C To browse the internet
  • D To store configuration settings for the OS and software
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119
Medium nts Uploaded: 13 Aug 2026

What is the file extension for a PowerPoint presentation?

  • A .doc
  • B .xls
  • C .ppt
  • D .txt
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120
Medium nts Uploaded: 13 Aug 2026

What is the full form of RAM?

  • A Random Access Memory
  • B Random Allocation Memory
  • C Read Access Memory
  • D Read Allocation Memory
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