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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

306 Questions Subject Test

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Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.

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241

Medium ppsc Uploaded: 13 Aug 2026

What is Machine Learning?

A A type of hardware
B A subset of AI where systems learn from data
C Manually programming every rule
D A database technique

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242

Medium css Uploaded: 07 Aug 2026

Which scheduling algorithm can lead to starvation?

A Shortest Job First without priority handling correctly is arguable, but choose SJF
B Round Robin
C Priority Scheduling
D First Come First Serve

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243

Medium ppsc Uploaded: 13 Aug 2026

Which algorithm is used to find the shortest path in a graph?

A Binary Search
B Quick Sort
C Bubble Sort
D Dijkstra's Algorithm

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244

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

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245

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

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246

Medium css Uploaded: 09 Aug 2026

Which of the following is a version control system?

A Git
B Excel
C Photoshop
D MySQL

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247

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

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248

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

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249

Medium css Uploaded: 23 Aug 2026

Which of the following best defines a computer network?

A A collection of interconnected computing devices
B A single standalone computer
C A programming language
D A type of software application

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250

Medium css fpsc Uploaded: 20 Jun 2026

Which layer of OSI handles physical transmission of bits?

A Network
B Transport
C Physical
D Session

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251

Medium ppsc Uploaded: 07 Aug 2026

Which of the following best describes 'recursion' in programming?

A A type of variable declaration
B A method of sorting arrays
C A function calling itself to solve a smaller instance of a problem
D A loop that never terminates

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252

Medium css fpsc Uploaded: 20 Jun 2026

Which OSI layer is responsible for end-to-end communication?

A Network Layer
B Data Link Layer
C Transport Layer
D Session Layer

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253

Medium pms Uploaded: 07 Aug 2026

The smallest unit of data in a computer is called?

A Nibble
B Bit
C Byte
D Word

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254

Medium fpsc ppsc Uploaded: 20 Jun 2026

What is Track Changes used for in Word?

A Database management
B Reviewing edits
C Creating charts
D Printing documents

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255

Medium ppsc Uploaded: 23 Aug 2026

Which language is primarily used for styling web pages?

A SQL
B CSS
C Python
D HTML

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256

Medium css fpsc Uploaded: 20 Jun 2026

What is artificial intelligence?

A Computer hardware
B Simulation of human intelligence by machines
C Network design
D Database storage

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257

Medium fpsc Uploaded: 13 Aug 2026

Which of the following is a function of the 'Mail Merge' feature in Word?

A Checking spelling
B Creating personalized letters for multiple recipients
C Formatting text
D Inserting images

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258

Medium ppsc Uploaded: 07 Aug 2026

What is the function of RAM in a computer?

A Temporarily store data for quick access by the CPU
B Display images on the screen
C Connect to the internet
D Permanently store the operating system

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259

Medium fpsc Uploaded: 23 Aug 2026

Which loop is guaranteed to execute at least once?

A For loop
B Do-while loop
C Nested loop
D While loop

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260

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

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