Join WhatsApp ChannelDaily MCQs & Exam Updates

Computer Science MCQs

MCQs on Programming, Networking, Database and OS

601 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 / 601
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 601 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.
41
Medium ppsc Uploaded: 23 Aug 2026

Which data structure follows the LIFO principle?

  • A Queue
  • B Array
  • C Stack
  • D Linked List
42
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
43
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for transferring files over the internet?

  • A HTTP
  • B POP3
  • C FTP
  • D SMTP
44
Medium pms Uploaded: 23 Aug 2026

How many bits make one byte?

  • A 8
  • B 16
  • C 4
  • D 2
45
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
46
Medium ppsc Uploaded: 09 Aug 2026

What is the full form of 'JPEG'?

  • A Joint Picture Export Group
  • B Java Photo Expert Group
  • C Joint Photographic Experts Group
  • D Java Picture Experts Group
47
Medium css Uploaded: 13 Aug 2026

Which of these is a Data Definition Language (DDL) command?

  • A SELECT
  • B INSERT
  • C CREATE
  • D UPDATE
48
Medium pms ppsc Uploaded: 07 Aug 2026

Which of the following best describes 'Big Data'?

  • A A programming language
  • B A small database table
  • C Extremely large and complex data sets
  • D A type of computer virus
49
Easy pms Uploaded: 23 Aug 2026

Which company developed Git?

  • A Linus Torvalds created it
  • B Google
  • C Microsoft
  • D Apple
50
Medium fpsc ppsc Uploaded: 20 Jun 2026

What is the primary purpose of RAID technology?

  • A Increase screen resolution
  • B Improve storage performance and reliability
  • C Enhance processor speed
  • D Manage network traffic
51
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
52
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
53
Easy ppsc Uploaded: 13 Aug 2026

What is a database?

  • A A type of hardware
  • B An organized collection of data
  • C A programming language
  • D A network protocol
54
Medium fpsc Uploaded: 07 Aug 2026

Which programming language is primarily used for web page structure?

  • A HTML
  • B Python
  • C C++
  • D Java
55
Medium fpsc Uploaded: 09 Aug 2026

Which of the following is a common use of 'machine learning'?

  • A Predictive analytics and pattern recognition
  • B Manual data entry
  • C Cable installation
  • D Physical hardware repair
56
Medium nts Uploaded: 13 Aug 2026

Which shortcut key is used to select all content in a document?

  • A Ctrl+A
  • B Ctrl+P
  • C Ctrl+F
  • D Ctrl+S
57
Hard ppsc Uploaded: 23 Aug 2026

What does CAPTCHA stand for functionally?

  • A A test to distinguish humans from bots
  • B A programming language
  • C A type of firewall
  • D A database key
58
Easy nts Uploaded: 20 Jun 2026

Which network device broadcasts data to all ports?

  • A Router
  • B Switch
  • C Hub
  • D Gateway
59
Hard nts Uploaded: 09 Aug 2026

Which of the following is the fastest memory in a computer?

  • A RAM
  • B Cache
  • C Hard Disk
  • D ROM
60
Hard fpsc Uploaded: 13 Aug 2026

What does HTTPS use to secure data transmission?

  • A Caching
  • B Encryption
  • C Compression
  • D Indexing
Practiced MCQs0 / 601