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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

23 Questions Subject Test
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1
Easy css Uploaded: 23 Aug 2026

Which scheduling algorithm gives priority to the shortest job first?

  • A FCFS
  • B Round Robin
  • C Priority Scheduling
  • D SJF
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2
Easy css Uploaded: 07 Aug 2026

What is the full form of URL?

  • A Uniform Record Locator
  • B Universal Record Locator
  • C Universal Resource Locator
  • D Uniform Resource Locator
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3
Easy css Uploaded: 09 Aug 2026

Who is known as the father of computers?

  • A John von Neumann
  • B Charles Babbage
  • C Bill Gates
  • D Alan Turing
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4
Easy css Uploaded: 13 Aug 2026

Which MS Office application is used for spreadsheets?

  • A Excel
  • B Word
  • C Access
  • D PowerPoint
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5
Easy css Uploaded: 13 Aug 2026

Which of the following is an example of a search engine?

  • A Google
  • B Photoshop
  • C Windows
  • D Excel
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6
Easy css Uploaded: 23 Aug 2026

Which of the following represents 1024 kilobytes?

  • A 1 Megabyte
  • B 1 Gigabyte
  • C 1 Kilobyte
  • D 1 Byte
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7
Easy css Uploaded: 13 Aug 2026

What is multitasking in an OS?

  • A Running one program at a time
  • B Formatting multiple disks
  • C Deleting multiple files
  • D Running multiple programs simultaneously
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8
Easy css Uploaded: 23 Aug 2026

What is the function of DNS in networking?

  • A Compresses files
  • B Translates domain names into IP addresses
  • C Manages hardware
  • D Encrypts data
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9
Easy css Uploaded: 09 Aug 2026

Which of the following file extensions is used for Python files?

  • A .py
  • B .exe
  • C .html
  • D .java
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10
Easy css Uploaded: 07 Aug 2026

What is the purpose of a subnet mask in networking?

  • A Increase internet speed
  • B Store website content
  • C Divide an IP network into smaller sub-networks
  • D Encrypt data transmission
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11
Easy css Uploaded: 23 Aug 2026

What is the function of a scanner?

  • A To connect to networks
  • B To print documents
  • C To store data permanently
  • D To convert physical documents into digital form
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12
Easy css Uploaded: 23 Aug 2026

What is the function of a printer driver?

  • A To print documents wirelessly
  • B To scan documents
  • C To enable communication between the OS and printer
  • D To store printed files
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13
Easy css Uploaded: 13 Aug 2026

Convert binary 1010 to decimal.

  • A 8
  • B 10
  • C 12
  • D 14
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14
Easy css Uploaded: 07 Aug 2026

A computer virus is a type of?

  • A Hardware device
  • B Operating system
  • C Programming language
  • D Malicious software
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15
Easy css Uploaded: 07 Aug 2026

Which data structure uses LIFO order?

  • A Stack
  • B Queue
  • C Linked List
  • D Array
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16
Easy css Uploaded: 23 Aug 2026

What is firmware?

  • A A database system
  • B A network protocol
  • C A type of virus
  • D Permanent software programmed into hardware
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17
Easy css Uploaded: 07 Aug 2026

What is the full form of CPU cache 'L1'?

  • A Level 1 Cache
  • B Local 1 Cache
  • C Layer 1 Cache
  • D Link 1 Cache
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18
Easy css Uploaded: 13 Aug 2026

Which data structure is ideal for implementing a priority queue?

  • A Stack
  • B Array
  • C Linked List
  • D Heap
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19
Easy css Uploaded: 09 Aug 2026

What is the function of a web browser?

  • A Access and display web pages
  • B Compile code
  • C Store files permanently
  • D Manage hardware
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20
Easy css Uploaded: 23 Aug 2026

Which key combination is used to undo an action?

  • A Ctrl+U
  • B Ctrl+Z
  • C Ctrl+X
  • D Ctrl+Y
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