Join WhatsApp ChannelDaily MCQs & Exam Updates

Computer Science MCQs

MCQs on Programming, Networking, Database and OS

198 Questions Subject Test
Subject Preparation Guide

Prepare Computer Science with confidence

Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.

Computer BasicsProgrammingNetworksDatabases
Recommended for academic classes, IT tests and computer portions of competitive examinations.
Computer Science preparation illustration
Subject Test

Test your Computer Science preparation

Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.

Practiced MCQs
0 / 198
Use the MCQs you already prepared, or launch a random test from the full subject bank.
No login required Result is not saved Choose your own MCQ count & timer
Choose your test mode
Choose any number up to 198 available MCQs.
Enter 0 for no timer, or choose 1–300 minutes.
Tip: prepare some MCQs first, then start a quick self-check from My Practiced MCQs to test exactly what you studied.
1
Easy nts Uploaded: 23 Aug 2026

What is the term for a network of infected computers controlled remotely?

  • A Botnet
  • B Firewall
  • C VPN
  • D Router
2
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
3
Easy nts Uploaded: 20 Jun 2026

What does PDF stand for?

  • A Portable Document Format
  • B Personal Data File
  • C Printed Document Form
  • D Public Data Format
4
Easy fpsc Uploaded: 07 Aug 2026

Which of the following best describes 'encryption'?

  • A Formatting a hard drive
  • B Converting data into a coded format to prevent unauthorized access
  • C Compressing files to save space
  • D Deleting unnecessary files
5
Easy ppsc nts Uploaded: 20 Jun 2026

What is the intersection of a row and a column in Excel called?

  • A Workbook
  • B Worksheet
  • C Cell
  • D Range
6
Easy ppsc Uploaded: 13 Aug 2026

Which of these is an input device?

  • A Monitor
  • B Speaker
  • C Scanner
  • D Printer
7
Easy ppsc Uploaded: 23 Aug 2026

Which of the following is an example of an assistive technology in computing?

  • A Spreadsheet software
  • B Web browser
  • C Screen reader
  • D Text editor
8
Easy ppsc Uploaded: 07 Aug 2026

What is the primary function of an operating system's kernel?

  • A Manage system resources and hardware communication
  • B Create spreadsheets
  • C Design graphics
  • D Browse the internet
9
Easy fpsc nts Uploaded: 20 Jun 2026

What is an IP address?

  • A Database key
  • B Unique network identifier
  • C Programming variable
  • D File format
10
Easy nts Uploaded: 09 Aug 2026

What is the main purpose of an antivirus program?

  • A Detect and remove malicious software
  • B Manage files
  • C Browse internet
  • D Speed up computer
11
Easy ppsc nts Uploaded: 20 Jun 2026

Which command is used to add new records to a database table?

  • A UPDATE
  • B SELECT
  • C INSERT
  • D ALTER
12
Easy pms Uploaded: 23 Aug 2026

What is a computer worm?

  • A A type of firewall
  • B A programming language
  • C Self-replicating malware that spreads across networks
  • D A hardware component
13
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
14
Easy pms Uploaded: 09 Aug 2026

Which of the following is an example of a mobile operating system?

  • A Linux
  • B Android
  • C Ubuntu
  • D Windows Server
15
Easy fpsc nts Uploaded: 20 Jun 2026

Which type of memory loses its contents when power is turned off?

  • A ROM
  • B Flash Memory
  • C RAM
  • D Hard Disk
16
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for transferring files over the internet?

  • A HTTP
  • B POP3
  • C FTP
  • D SMTP
17
Easy ppsc nts Uploaded: 20 Jun 2026

What does BIOS stand for?

  • A Basic Input Output System
  • B Binary Input Operating System
  • C Basic Integrated Operating Software
  • D Built-In Output System
18
Easy pms Uploaded: 23 Aug 2026

Which company developed Git?

  • A Linus Torvalds created it
  • B Google
  • C Microsoft
  • D Apple
19
Easy pms Uploaded: 13 Aug 2026

Which HTTP method is used to retrieve data from a server?

  • A PUT
  • B POST
  • C DELETE
  • D GET
20
Easy pms Uploaded: 23 Aug 2026

What is the function of a GPU?

  • A To store data permanently
  • B To manage network traffic
  • C To process and render graphics and images
  • D To compile programs
Practiced MCQs0 / 198