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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

198 Questions Subject Test
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41
Easy fpsc nts Uploaded: 20 Jun 2026

What is phishing?

  • A Programming method
  • B Data backup
  • C Fraudulent attempt to steal information
  • D Network topology
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42
Easy nts Uploaded: 09 Aug 2026

Which key is used to refresh a web page?

  • A F12
  • B F9
  • C F5
  • D F1
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43
Easy pms Uploaded: 13 Aug 2026

Which device amplifies and regenerates signals over long distances?

  • A Switch
  • B Repeater
  • C Bridge
  • D Router
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44
Easy css Uploaded: 13 Aug 2026

Which of the following is an example of a search engine?

  • A Google
  • B Photoshop
  • C Windows
  • D Excel
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45
Easy ppsc Uploaded: 09 Aug 2026

What does 'malware' refer to?

  • A Networking protocol
  • B Hardware component
  • C Beneficial software
  • D Malicious software designed to harm systems
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46
Easy css Uploaded: 23 Aug 2026

Which of the following represents 1024 kilobytes?

  • A 1 Megabyte
  • B 1 Gigabyte
  • C 1 Kilobyte
  • D 1 Byte
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47
Easy nts Uploaded: 20 Jun 2026

Which Excel function counts numeric cells?

  • A COUNT()
  • B COUNTA()
  • C SUM()
  • D AVERAGE()
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48
Easy ppsc Uploaded: 09 Aug 2026

Which of these is an example of an operating system?

  • A Linux
  • B Excel
  • C MS Word
  • D Photoshop
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49
Easy pms Uploaded: 13 Aug 2026

Which device connects multiple networks together?

  • A Repeater
  • B Hub
  • C Router
  • D Switch
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50
Easy fpsc Uploaded: 07 Aug 2026

Which of the following is used to uniquely identify a record in a database table?

  • A Primary Key
  • B Index
  • C Foreign Key
  • D Query
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51
Easy ppsc nts Uploaded: 20 Jun 2026

Which software is used to create spreadsheets?

  • A PowerPoint
  • B Excel
  • C Access
  • D Outlook
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52
Easy fpsc Uploaded: 07 Aug 2026

Which shortcut key is used to save a document?

  • A Ctrl+P
  • B Ctrl+N
  • C Ctrl+A
  • D Ctrl+S
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53
Easy nts Uploaded: 13 Aug 2026

What does 'plug-in' mean in software context?

  • A A software component that adds specific features to an application
  • B A type of virus
  • C A hardware device
  • D A network cable
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54
Easy nts Uploaded: 23 Aug 2026

Which of the following is a benefit of using cloud computing?

  • A Requires no internet connection
  • B Only works on one device
  • C Scalability and remote accessibility
  • D Eliminates the need for security
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55
Easy nts Uploaded: 13 Aug 2026

What is the primary purpose of compression software?

  • A Reduce file size for storage or transfer
  • B Encrypt data
  • C Increase file size
  • D Backup data
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56
Easy pms Uploaded: 13 Aug 2026

What is the purpose of an operating system's file manager?

  • A Manage CPU scheduling only
  • B Compile programs
  • C Manage network traffic
  • D Organize and manage files and folders
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57
Easy fpsc Uploaded: 07 Aug 2026

Which of the following is a type of software license that allows free use and modification?

  • A GNU General Public License
  • B Trial License
  • C Commercial License
  • D Proprietary License
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58
Easy ppsc nts Uploaded: 20 Jun 2026

What is a workbook in Microsoft Excel?

  • A A single cell
  • B A chart
  • C A collection of worksheets
  • D A formula
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59
Easy ppsc nts Uploaded: 20 Jun 2026

What is the purpose of antivirus software?

  • A Create backups
  • B Design websites
  • C Detect and remove malicious software
  • D Manage databases
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60
Easy pms ppsc Uploaded: 09 Aug 2026

What does 'CSS' stand for in web development?

  • A Cascading Style Sheets
  • B Creative Style Sheets
  • C Computer Style Sheets
  • D Cascading Structure Sheets
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