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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

75 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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21
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which Excel feature applies formatting based on rules?

  • A Themes
  • B Conditional Formatting
  • C AutoFilter
  • D Freeze Panes
22
Medium ppsc Uploaded: 13 Aug 2026

What is a view in SQL?

  • A A physical table
  • B A type of index
  • C A backup file
  • D A virtual table based on a query result
23
Medium ppsc Uploaded: 23 Aug 2026

What is quantum computing based on?

  • A Mechanical gears
  • B Analog signal processing
  • C Principles of quantum mechanics
  • D Classical binary logic only
24
Medium ppsc Uploaded: 13 Aug 2026

Which of these is a real-time operating system?

  • A Windows 10
  • B RTOS
  • C macOS
  • D Ubuntu
25
Medium ppsc Uploaded: 13 Aug 2026

What is 2's complement used for?

  • A Data compression
  • B Representing negative numbers
  • C Storing text
  • D Increasing speed
26
Medium ppsc Uploaded: 07 Aug 2026

Which of the following is used to reduce data redundancy in databases?

  • A Replication
  • B Indexing only
  • C Normalization
  • D Denormalization
27
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which scheduling algorithm gives each process a fixed time slice?

  • A FCFS
  • B Round Robin
  • C Shortest Job First
  • D Priority Scheduling
28
Medium ppsc Uploaded: 07 Aug 2026

Which of the following is a type of computer network covering a small geographic area?

  • A MAN
  • B GAN
  • C WAN
  • D LAN
29
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which protocol is commonly used to create a secure and encrypted communication channel over the Internet?

  • A HTTPS (SSL/TLS)
  • B FTP
  • C DHCP
  • D Telnet
30
Medium ppsc Uploaded: 13 Aug 2026

What is an IDE in programming?

  • A Integrated Development Environment
  • B Integrated Data Engine
  • C Interconnected Device Environment
  • D Internal Data Exchange
31
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

In Machine Learning, what is a hyperparameter?

  • A A configuration set before training
  • B A learned weight
  • C An output label
  • D A type of dataset
32
Medium ppsc Uploaded: 09 Aug 2026

Which of the following data structures uses FIFO principle?

  • A Graph
  • B Tree
  • C Stack
  • D Queue
33
Medium ppsc Uploaded: 13 Aug 2026

What is the purpose of a search engine?

  • A Help users find information on the internet
  • B Store files locally
  • C Design websites
  • D Manage databases only
34
Medium ppsc Uploaded: 07 Aug 2026

Which of the following is a common wireless communication standard for short-range data transfer?

  • A Bluetooth
  • B Fiber Optic
  • C Ethernet
  • D Coaxial Cable
35
Medium ppsc Uploaded: 23 Aug 2026

What is cache memory used for?

  • A To connect to networks
  • B To display graphics
  • C To temporarily store frequently accessed data for quick access
  • D To permanently store files
36
Medium ppsc Uploaded: 23 Aug 2026

What is a computer's clock speed measured in?

  • A Bytes
  • B Pixels
  • C Hertz
  • D Bits
37
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which feature in Excel is used to summarize large datasets?

  • A Spell Check
  • B Pivot Table
  • C WordArt
  • D AutoFill
38
Medium ppsc Uploaded: 13 Aug 2026

Which language is primarily used for adding interactivity to web pages?

  • A HTML
  • B SQL
  • C JavaScript
  • D CSS
39
Medium ppsc Uploaded: 07 Aug 2026

Which of the following memory types is non-volatile?

  • A Cache
  • B RAM
  • C Register
  • D ROM
40
Medium ppsc Uploaded: 13 Aug 2026

What is normalization in databases?

  • A Backing up data
  • B Organizing data to reduce redundancy
  • C Increasing redundancy
  • D Encrypting data
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