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

My Practiced MCQs Use only the MCQs you have opened with Show Answer & Explanation in this browser tab. Entire Computer Science Subject Get random MCQs from the complete subject bank to challenge your overall preparation.

Number of Questions

Choose any number up to 129 available MCQs.

Time (Minutes)

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.

Filter: All Exams css pms fpsc ppsc nts | All Easy Medium Hard

81

Hard css pms Uploaded: 20 Jun 2026

Which algorithm technique divides a problem into smaller subproblems?

A Greedy
B Divide and Conquer
C Brute Force
D Backtracking

View Answer & Explanation Permalink

82

Easy pms Uploaded: 13 Aug 2026

What does SDLC stand for?

A System Design Life Cycle
B Software Development Life Cycle
C System Development Logic Cycle
D Software Design Life Cycle

View Answer & Explanation Permalink

83

Medium pms Uploaded: 07 Aug 2026

Which of the following is NOT a valid programming paradigm?

A Procedural Programming
B Functional Programming
C Object-Oriented Programming
D Sequential Logic Rendering

View Answer & Explanation Permalink

84

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

View Answer & Explanation Permalink

85

Medium pms Uploaded: 13 Aug 2026

What is the function of Microsoft Outlook?

A Spreadsheet management
B Presentation design
C Email and calendar management
D Database management

View Answer & Explanation Permalink

86

Easy pms Uploaded: 13 Aug 2026

Which of the following is the fastest memory?

A Hard Disk
B ROM
C Cache Memory
D RAM

View Answer & Explanation Permalink

87

Medium pms Uploaded: 23 Aug 2026

Which data structure follows the FIFO principle?

A Stack
B Graph
C Queue
D Tree

View Answer & Explanation Permalink

88

Hard pms Uploaded: 13 Aug 2026

What is a binary tree?

A A tree with unlimited children per node
B A type of queue
C A linear structure
D A tree where each node has at most two children

View Answer & Explanation Permalink

89

Medium pms Uploaded: 13 Aug 2026

Which of the following best describes 'cloud SaaS'?

A Hardware sold as a product
B A network cable standard
C A type of virus
D Software delivered over the internet on a subscription basis

View Answer & Explanation Permalink

90

Medium css pms Uploaded: 20 Jun 2026

Which data structure is most suitable for implementing recursion?

A Queue
B Array
C Stack
D Heap

View Answer & Explanation Permalink

91

Hard pms Uploaded: 07 Aug 2026

What is the purpose of an IP address?

A Run applications
B Display graphics
C Uniquely identify a device on a network
D Store files

View Answer & Explanation Permalink

92

Medium css pms Uploaded: 20 Jun 2026

What is multitasking in an operating system?

A Using multiple monitors
B Running multiple processes concurrently
C Installing multiple OS
D Using many files

View Answer & Explanation Permalink

93

Medium pms Uploaded: 09 Aug 2026

Which of the following is a popular relational database management system?

A MongoDB
B Cassandra
C MySQL
D Redis

View Answer & Explanation Permalink

94

Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

What is the main purpose of a Firewall in a computer network?

A To prevent unauthorized access
B To remove all viruses from a computer
C To increase internet speed
D To store network Data

View Answer & Explanation Permalink

95

Medium pms Uploaded: 07 Aug 2026

What is the shortcut key to copy selected text?

A Ctrl+X
B Ctrl+Z
C Ctrl+C
D Ctrl+V

View Answer & Explanation Permalink

96

Hard pms Uploaded: 13 Aug 2026

What is pseudocode?

A Actual executable code
B A hardware design
C A type of malware
D An informal high-level description of an algorithm

View Answer & Explanation Permalink

97

Easy pms Uploaded: 09 Aug 2026

What does the acronym 'RAM' stand for?

A Random Access Memory
B Read Access Memory
C Random Allocated Memory
D Read Allocated Memory

View Answer & Explanation Permalink

98

Medium pms Uploaded: 23 Aug 2026

What is the function of GitHub?

A To browse the internet
B To design graphics
C To host and manage version-controlled code repositories
D To manage databases

View Answer & Explanation Permalink

99

Medium css pms Uploaded: 20 Jun 2026

What is the main purpose of a database management system (DBMS)?

A Create hardware
B Manage and organize data
C Design websites
D Control printers

View Answer & Explanation Permalink

100

Medium pms Uploaded: 13 Aug 2026

What is responsive web design?

A Design that works only on desktops
B A network protocol
C A type of database design
D Design that adapts to different screen sizes and devices

View Answer & Explanation Permalink

Practiced MCQs0 / 129

Questions Minutes