Operating Systems Quiz

Instructions: Answer all 25 questions. Enter your name and click Submit to see your score. After submission, answers cannot be changed.

1. What is the main purpose of an operating system?

  • A. To create documents and spreadsheets
  • B. To act as an intermediary between users, applications, and hardware
  • C. To provide internet access
  • D. To design graphics

2. Which of the following is NOT a function of an operating system?

  • A. Process management
  • B. Memory management
  • C. Spreadsheet calculation
  • D. File management

3. What is cold boot?

  • A. Starting a computer from a powered-off state
  • B. Restarting the computer without powering off
  • C. Booting from a USB drive
  • D. Shutting down the computer

4. Which type of user interface uses text-based input via keyboard?

  • A. GUI
  • B. CLI
  • C. Touch interface
  • D. Voice interface

5. Which of the following is an example of a CLI command?

  • A. Click on the Start menu
  • B. Drag and drop a file
  • C. dir
  • D. Double-click an icon

6. Which utility program checks for errors in a hard drive?

  • A. Disk defragmentation
  • B. Disk scanner
  • C. File compression
  • D. Task manager

7. What does disk defragmentation do?

  • A. Checks for errors
  • B. Compresses files
  • C. Reorganizes files for better efficiency
  • D. Backs up data

8. Which file extension indicates a Microsoft Word document?

  • A. .xlsx
  • B. .pptx
  • C. .docx
  • D. .pdf

9. What is the keyboard shortcut for copying a file?

  • A. Ctrl + X
  • B. Ctrl + C
  • C. Ctrl + V
  • D. Ctrl + Z

10. What does the "Cut" operation do?

  • A. Duplicates the file, leaving the original
  • B. Moves the file, removing the original
  • C. Deletes the file permanently
  • D. Renames the file

11. Which key is used to rename a file or folder?

  • A. F1
  • B. F2
  • C. F3
  • D. F4

12. Which of the following is an example of a proprietary operating system?

  • A. Ubuntu
  • B. Android
  • C. Microsoft Windows
  • D. Hanthana Linux

13. Which of the following is an open-source operating system?

  • A. macOS
  • B. Windows 11
  • C. Ubuntu
  • D. Windows Server

14. What does GUI stand for?

  • A. General User Interface
  • B. Graphical User Interface
  • C. Global User Interaction
  • D. Graphics Utility Integration

15. Which utility program displays information about running processes?

  • A. Anti-virus
  • B. Disk scanner
  • C. Task manager
  • D. Clipboard

16. Which type of operating system is designed for mobile devices?

  • A. Windows Server
  • B. macOS
  • C. Android
  • D. Ubuntu

17. What is the function of an anti-virus utility?

  • A. Compress files
  • B. Identify and eliminate malware
  • C. Defragment the disk
  • D. Manage network connections

18. Which file extension is used for an Excel spreadsheet?

  • A. .docx
  • B. .xlsx
  • C. .pptx
  • D. .jpg

19. What is the shortcut for "Select All"?

  • A. Ctrl + C
  • B. Ctrl + A
  • C. Ctrl + V
  • D. Ctrl + Z

20. Which operation is used to reverse the last action?

  • A. Redo
  • B. Undo
  • C. Cut
  • D. Copy

21. What is the main difference between warm boot and cold boot?

  • A. Warm boot is from powered-off, cold boot is restart
  • B. Warm boot is restart without powering off, cold boot is from powered-off
  • C. Warm boot requires a USB drive
  • D. There is no difference

22. Which component of the OS manages CPU time for running programs?

  • A. Memory management
  • B. Device management
  • C. Process management
  • D. File management

23. Which type of software is Hanthana Linux?

  • A. Proprietary
  • B. Open source
  • C. Commercial
  • D. Shareware

24. What does the file extension .mp3 indicate?

  • A. Image file
  • B. Video file
  • C. Audio file
  • D. Document file

25. Which utility temporarily stores cut or copied items?

  • A. Clipboard
  • B. Task manager
  • C. Disk scanner
  • D. File compression
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