Join WhatsApp ChannelDaily MCQs & Exam Updates

Computer Science MCQs

MCQs on Programming, Networking, Database and OS

129 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 / 129
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 129 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.
61
Hard pms Uploaded: 07 Aug 2026

What is the main purpose of the TCP three-way handshake?

  • A Compress data packets
  • B Establish a reliable connection between client and server
  • C Assign IP addresses
  • D Encrypt data transmission
62
Easy pms Uploaded: 23 Aug 2026

What is the full form of CPU cache?

  • A A type of hard disk
  • B A software application
  • C A network device
  • D Fast temporary memory close to the processor
63
Medium pms Uploaded: 09 Aug 2026

Which of the following is the smallest unit of data in a computer?

  • A Nibble
  • B Byte
  • C Kilobyte
  • D Bit
64
Medium pms Uploaded: 13 Aug 2026

Which key uniquely identifies a record in another table?

  • A Foreign Key
  • B Primary Key
  • C Composite Key
  • D Candidate Key
65
Medium pms Uploaded: 09 Aug 2026

What does 'GPU' stand for?

  • A General Processing Unit
  • B Graphics Processing Unit
  • C General Purpose Unit
  • D Graphical Program Unit
66
Medium pms Uploaded: 13 Aug 2026

What is the shortcut key to undo an action?

  • A Ctrl+Y
  • B Ctrl+A
  • C Ctrl+U
  • D Ctrl+Z
67
Hard pms Uploaded: 23 Aug 2026

What does 2FA stand for in cybersecurity?

  • A Two-Function Application
  • B Two-Factor Authentication
  • C Total Firewall Access
  • D Two-File Access
68
Medium css pms Uploaded: 20 Jun 2026

Which software development model follows a sequential approach?

  • A Agile
  • B Scrum
  • C Waterfall
  • D DevOps
69
Medium pms Uploaded: 23 Aug 2026

What is the primary use of cryptocurrency?

  • A A network protocol
  • B A programming language
  • C A type of computer virus
  • D Digital or virtual currency for transactions
70
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for secure web browsing?

  • A SMTP
  • B HTTPS
  • C HTTP
  • D FTP
71
Medium pms Uploaded: 09 Aug 2026

Which of the following is an example of a scripting language?

  • A C++
  • B Assembly
  • C C
  • D JavaScript
72
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Who is widely regarded as the father of Computer Science?

  • A John von Neumann
  • B Alan Turing
  • C Charles Babbage
  • D Bill Gates
73
Medium pms Uploaded: 13 Aug 2026

Which MS Office application is used for database management?

  • A PowerPoint
  • B Excel
  • C Access
  • D Word
74
Hard pms Uploaded: 07 Aug 2026

RAM stands for?

  • A Read Available Memory
  • B Random Access Memory
  • C Random Available Memory
  • D Read Access Memory
75
Medium pms Uploaded: 13 Aug 2026

Which file system is commonly used by Windows?

  • A EXT4
  • B HFS+
  • C APFS
  • D NTFS
76
Medium pms Uploaded: 09 Aug 2026

Which programming language is primarily used for statistical computing?

  • A R
  • B Java
  • C C++
  • D PHP
77
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
78
Medium pms Uploaded: 13 Aug 2026

What is the Internet of Things (IoT)?

  • A A single computer network
  • B A type of database
  • C A programming language
  • D A network of interconnected physical devices
79
Hard pms Uploaded: 07 Aug 2026

Which protocol is used to send email?

  • A FTP
  • B SMTP
  • C HTTP
  • D DNS
80
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
Practiced MCQs0 / 129