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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

49 Questions Subject Test
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41
Easy fpsc Uploaded: 23 Aug 2026

What is a foreign key in a database?

  • A A field that must be unique
  • B A type of index
  • C A field that cannot contain data
  • D A field that links to the primary key of another table
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42
Easy fpsc ppsc nts Uploaded: 18 Jun 2026

What is the full form of HTML?

  • A Hyper Text Markup Language
  • B High Text Making Language
  • C Hyper Transfer Markup Language
  • D High Technology Markup Language
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43
Easy fpsc nts Uploaded: 20 Jun 2026

Which protocol is primarily used for sending emails over the Internet?

  • A HTTP
  • B SMTP
  • C FTP
  • D DNS
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44
Easy fpsc Uploaded: 23 Aug 2026

What is the function of a linker in programming?

  • A To manage memory allocation
  • B To design user interfaces
  • C To debug source code
  • D To combine object files into a single executable
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45
Easy fpsc Uploaded: 07 Aug 2026

What is the primary purpose of version control systems like Git?

  • A Track and manage changes to source code over time
  • B Encrypt sensitive data
  • C Design user interfaces
  • D Compile programs into executables
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46
Easy fpsc nts Uploaded: 20 Jun 2026

What is the role of DNS in networking?

  • A Assign IP addresses
  • B Translate domain names to IP addresses
  • C Transfer files
  • D Encrypt network traffic
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47
Easy fpsc Uploaded: 13 Aug 2026

What is the purpose of a flowchart?

  • A Visually represent the steps of an algorithm
  • B Manage databases
  • C Compile code
  • D Store data
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48
Easy fpsc Uploaded: 13 Aug 2026

What is the function of a motherboard?

  • A Store files permanently
  • B Display graphics only
  • C Provide internet access
  • D Connect and allow communication between hardware components
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49
Easy fpsc nts Uploaded: 20 Jun 2026

What is the full form of VPN?

  • A Virtual Private Network
  • B Verified Public Network
  • C Virtual Program Node
  • D Visual Private Node
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