Join WhatsApp ChannelDaily MCQs & Exam Updates

Computer Science MCQs

MCQs on Programming, Networking, Database and OS

49 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 / 49
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 49 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.
Filter: All Exams css pms fpsc ppsc nts | All Easy Medium Hard
21
Easy fpsc Uploaded: 09 Aug 2026

Which of the following best describes 'cloud storage'?

  • A Storing data on a local hard disk
  • B Storing data on a CD
  • C Storing data on remote servers accessed via internet
  • D Storing data on RAM
View Answer & Explanation Permalink
22
Easy fpsc Uploaded: 13 Aug 2026

What is the extension of a Python file?

  • A .py
  • B .pt
  • C .pn
  • D .pyt
View Answer & Explanation Permalink
23
Easy fpsc Uploaded: 07 Aug 2026

Which of the following best describes 'cloud computing'?

  • A A type of weather forecasting software
  • B A programming language for websites
  • C Delivery of computing services over the internet
  • D Storing data only on local hard drives
View Answer & Explanation Permalink
24
Easy fpsc Uploaded: 23 Aug 2026

What is encapsulation in OOP?

  • A Connecting to a network
  • B Deleting unused code
  • C Compiling a program
  • D Bundling data and methods into a single unit
View Answer & Explanation Permalink
25
Easy fpsc Uploaded: 07 Aug 2026

The binary number system uses how many digits?

  • A 16
  • B 2
  • C 8
  • D 10
View Answer & Explanation Permalink
26
Easy fpsc ppsc nts Uploaded: 18 Jun 2026

What does CPU stand for?

  • A Central Processing Unit
  • B Central Program Unit
  • C Computer Processing Unit
  • D Central Processor Utility
View Answer & Explanation Permalink
27
Easy fpsc nts Uploaded: 20 Jun 2026

What is malware?

  • A Network cable
  • B Malicious software
  • C Database table
  • D Operating system
View Answer & Explanation Permalink
28
Easy fpsc Uploaded: 13 Aug 2026

Which of the following is a client-server database?

  • A Notepad
  • B MySQL
  • C MS Access
  • D Excel
View Answer & Explanation Permalink
29
Easy fpsc Uploaded: 23 Aug 2026

Which file extension is used for Microsoft Word documents?

  • A .pptx
  • B .docx
  • C .pdf
  • D .xlsx
View Answer & Explanation Permalink
30
Easy fpsc Uploaded: 23 Aug 2026

Which of the following is the latest stable major version series of Windows as of 2026?

  • A Windows 11
  • B Windows Vista
  • C Windows XP
  • D Windows 8
View Answer & Explanation Permalink
31
Easy fpsc ppsc nts Uploaded: 18 Jun 2026

The internet protocol "HTTP" stands for:

  • A Hyper Text Transfer Protocol
  • B High Tech Transfer Protocol
  • C Hyper Text Transmission Protocol
  • D Hyper Transfer Text Protocol
View Answer & Explanation Permalink
32
Easy fpsc Uploaded: 23 Aug 2026

Which of the following is an example of biometric authentication?

  • A Security question
  • B Password
  • C Fingerprint scanning
  • D PIN code
View Answer & Explanation Permalink
33
Easy fpsc Uploaded: 07 Aug 2026

Which topology connects all devices to a single central hub?

  • A Star
  • B Bus
  • C Ring
  • D Mesh
View Answer & Explanation Permalink
34
Easy fpsc Uploaded: 09 Aug 2026

What is the full form of PDF?

  • A Printable Document Format
  • B Personal Document File
  • C Portable Document Format
  • D Portable Data File
View Answer & Explanation Permalink
35
Easy fpsc Uploaded: 07 Aug 2026

What does HTTP stand for?

  • A HyperText Technical Protocol
  • B High Transfer Text Protocol
  • C HyperText Transmission Protocol
  • D HyperText Transfer Protocol
View Answer & Explanation Permalink
36
Easy fpsc Uploaded: 23 Aug 2026

What is the function of an operating system's process scheduler?

  • A To manage network connections
  • B To store files
  • C To display graphics
  • D To determine which process runs on the CPU next
View Answer & Explanation Permalink
37
Easy fpsc Uploaded: 13 Aug 2026

What is a DDoS attack?

  • A A programming technique
  • B An attack that overwhelms a system with traffic to disrupt service
  • C A backup method
  • D A type of encryption
View Answer & Explanation Permalink
38
Easy fpsc Uploaded: 13 Aug 2026

Which storage device uses flash memory?

  • A Floppy Disk
  • B CD-ROM
  • C Solid State Drive
  • D Hard Disk Drive
View Answer & Explanation Permalink
39
Easy fpsc Uploaded: 07 Aug 2026

Which data structure is most efficient for implementing a priority queue?

  • A Simple Linked List
  • B Stack
  • C Array
  • D Heap
View Answer & Explanation Permalink
40
Easy fpsc Uploaded: 13 Aug 2026

Which data structure uses LIFO (Last In First Out)?

  • A Array
  • B Linked List
  • C Queue
  • D Stack
View Answer & Explanation Permalink
All Subjects
Biology 210 Chemistry 417 Computer Science 601 Current Affairs 1,274
1–4 of 11Auto-changing every 5s
Academic Subjects
Physics9th Class 248
View All Academic Classes
Mock Tests
Quick Test (20 Q) Full Mock Test
Practiced MCQs0 / 49