Q11. What is a file extension?
a) The name of a file
b) The path where a file is stored
c) The type of file format, indicated by the suffix after the dot in a filename
d) The size of a file
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Correct Answer: c) The type of file format, indicated by the suffix after the dot in a filename
Explanation: A file extension is a suffix added to the end of a filename that indicates the file format and helps the operating system determine which application can open it.
Q12. Which file extension is typically associated with text documents?
a) .jpg
b) .mp3
c) .txt
d) .exe
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Correct Answer: c) .txt
Explanation: The .txt file extension is commonly used for plain text documents, which can be opened with text editors like Notepad.
Q13. What is the purpose of the ‘Recycle Bin’ in a Windows operating system?
a) To store files that have been deleted but can be restored
b) To manage network settings
c) To install new programs
d) To adjust display settings
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Correct Answer: a) To store files that have been deleted but can be restored
Explanation: The Recycle Bin temporarily stores deleted files and folders, allowing users to recover them if needed before they are permanently removed from the system.
Q14. How can you access the ‘Control Panel’ in Windows 10?
a) By clicking on the Start menu and selecting ‘Control Panel’
b) By right-clicking on the desktop and selecting ‘Control Panel’
c) By opening ‘File Explorer’ and typing ‘Control Panel’ in the address bar
d) By pressing the ‘Ctrl + Alt + Delete’ keys
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Correct Answer: a) By clicking on the Start menu and selecting ‘Control Panel’
Explanation: In Windows 10, the Control Panel can be accessed by clicking on the Start menu and selecting ‘Control Panel’ from the list of system options.
Q15. What does the ‘Task Manager’ in Windows help with?
a) Managing running applications and monitoring system performance
b) Installing new software
c) Changing system settings
d) Organizing files and folders
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Correct Answer: a) Managing running applications and monitoring system performance
Explanation: The Task Manager provides a view of currently running applications, processes, and system performance, allowing users to manage and troubleshoot system issues.
Q16. Which of the following is NOT a type of user interface?
a) Command Line Interface (CLI)
b) Graphical User Interface (GUI)
c) Touch Interface
d) Network Interface
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Correct Answer: d) Network Interface
Explanation: A Network Interface is not a type of user interface but rather a component that facilitates network connectivity. CLI, GUI, and Touch Interfaces are types of user interfaces.
Q17. What is the main purpose of ‘mouse settings’ in an operating system?
a) To adjust the pointer speed and button functions
b) To manage network connections
c) To install new hardware
d) To update the operating system
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Correct Answer: a) To adjust the pointer speed and button functions
Explanation: Mouse settings allow users to adjust the pointer speed, button functions, and other mouse-related preferences to improve usability and performance.
Q18. How do you change the system date and time in Windows?
a) Through the ‘Control Panel’ or ‘Settings’
b) By right-clicking on the desktop
c) By using the ‘Task Manager’
d) By opening ‘File Explorer’
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Correct Answer: a) Through the ‘Control Panel’ or ‘Settings’
Explanation: System date and time settings can be changed through the ‘Control Panel’ or ‘Settings’ in Windows, allowing users to update and synchronize the computer’s clock.
Q19. What is a common feature of ‘desktop operating systems’?
a) They provide a full-featured interface for managing applications and files
b) They are designed only for mobile devices
c) They manage only network connections
d) They are used for server management
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Correct Answer: a) They provide a full-featured interface for managing applications and files
Explanation: Desktop operating systems provide a comprehensive interface for managing applications, files, and system settings, making them suitable for everyday computing tasks.
Q20. What type of file extension is ‘.docx’?
a) Image file
b) Document file
c) Audio file
d) Executable file
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Correct Answer: b) Document file
Explanation: The .docx file extension is used for Microsoft Word documents, indicating a file format used for word processing.