Join WhatsApp ChannelDaily MCQs & Exam Updates

Computer Science MCQs

MCQs on Programming, Networking, Database and OS

72 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 / 72

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 72 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

41

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

View Answer & Explanation Permalink

42

Medium nts Uploaded: 23 Aug 2026

What is the function of an operating system's device driver?

A To store user files
B To manage network security
C To browse the internet
D To enable communication between OS and hardware devices

View Answer & Explanation Permalink

43

Medium nts Uploaded: 13 Aug 2026

What is the purpose of the 'return' statement in a function?

A End the program
B Start a loop
C Declare a variable
D Send a value back to the caller

View Answer & Explanation Permalink

44

Medium nts Uploaded: 13 Aug 2026

What does AI stand for?

A Advanced Integration
B Artificial Intelligence
C Automated Interface
D Applied Informatics

View Answer & Explanation Permalink

45

Medium nts Uploaded: 07 Aug 2026

Which normal form deals with removing partial dependency on a composite primary key?

A Third Normal Form (3NF)
B Second Normal Form (2NF)
C First Normal Form (1NF)
D Boyce-Codd Normal Form (BCNF)

View Answer & Explanation Permalink

46

Medium nts Uploaded: 13 Aug 2026

What does MS Word primarily deal with?

A Spreadsheets
B Presentations
C Database management
D Word processing

View Answer & Explanation Permalink

47

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

View Answer & Explanation Permalink

48

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

49

Medium nts Uploaded: 13 Aug 2026

What is the file extension for a PowerPoint presentation?

A .doc
B .xls
C .ppt
D .txt

View Answer & Explanation Permalink

50

Medium nts Uploaded: 13 Aug 2026

What is the full form of RAM?

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

View Answer & Explanation Permalink

51

Medium fpsc nts Uploaded: 20 Jun 2026

Which Access key uniquely identifies each record?

A Foreign Key
B Primary Key
C Composite Key
D Candidate Key

View Answer & Explanation Permalink

52

Medium fpsc nts Uploaded: 20 Jun 2026

Which Excel function counts non-empty cells?

A COUNT()
B COUNTA()
C COUNTIF()
D SUM()

View Answer & Explanation Permalink

53

Medium nts Uploaded: 13 Aug 2026

What is the purpose of RAID in storage systems?

A Encrypt stored data
B Compile source code
C Combine multiple disks for redundancy or performance
D Manage user accounts

View Answer & Explanation Permalink

54

Medium nts Uploaded: 23 Aug 2026

Which of the following best describes edge computing?

A A network topology
B Processing data only in the cloud
C A type of database
D Processing data closer to its source rather than a centralized location

View Answer & Explanation Permalink

55

Medium nts Uploaded: 23 Aug 2026

Which of the following is a linear data structure?

A Hash Table
B Graph
C Array
D Tree

View Answer & Explanation Permalink

56

Medium nts Uploaded: 07 Aug 2026

Which of the following best describes 'machine learning'?

A A file compression technique
B A type of computer hardware
C A network security protocol
D A subset of AI where systems learn from data

View Answer & Explanation Permalink

57

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

58

Medium ppsc nts Uploaded: 20 Jun 2026

What is Freeze Panes used for?

A Lock worksheet
B Keep rows or columns visible
C Protect workbook
D Hide formulas

View Answer & Explanation Permalink

59

Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

What is the full form of "NLP" in Artificial Intelligence and Computer Science?

A Numeric Learning Program
B Network Layer Protocol
C Neural Logic Processing
D Natural Language Processing

View Answer & Explanation Permalink

60

Medium nts Uploaded: 07 Aug 2026

What is the function of an antivirus program?

A Create documents
B Increase internet speed
C Format hard drives
D Detect and remove malicious software

View Answer & Explanation Permalink

Practiced MCQs0 / 72

Questions Minutes