MCQ on Introduction to Operating System | NIELIT CCC

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Q41. How can you access ‘System Settings’ in Windows 10?
a) Through the Start Menu and selecting ‘Settings’
b) By using the Control Panel
c) Through the Task Manager
d) By right-clicking the desktop

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Correct Answer: a) Through the Start Menu and selecting ‘Settings’
Explanation: In Windows 10, ‘System Settings’ can be accessed through the Start Menu by selecting ‘Settings,’ where users can configure system preferences and settings.

Q42. What does the ‘Taskbar’ in Windows display?
a) Running applications and system notifications
b) System files and folders
c) Network settings
d) File and folder management options

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Correct Answer: a) Running applications and system notifications
Explanation: The Taskbar displays running applications, system notifications, and quick access icons for frequently used features or system functions, enhancing user productivity.

Q43. Which of the following is NOT a common file extension for audio files?
a) .mp3
b) .wav
c) .avi
d) .flac

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Correct Answer: c) .avi
Explanation: The .avi file extension is commonly associated with video files, not audio files. Common audio file extensions include .mp3, .wav, and .flac.

Q44. What is the role of the ‘Start’ button in Windows?
a) To open the Start Menu for accessing programs and settings
b) To shut down the computer
c) To open File Explorer
d) To access the Control Panel

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Correct Answer: d) Pottery
Explanation: Inscriptions, coins, and manuscripts are all sources of Ancient Indian history, but pottery is not considered a significant source.

Q45. What does ‘User Account Control’ (UAC) prompt for?
a) Authorization for changes that could affect system settings
b) File encryption
c) Network connection
d) Software installation

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Correct Answer: a) Authorization for changes that could affect system settings
Explanation: UAC prompts for authorization when a program attempts to make changes that could affect system settings or security, helping to prevent unauthorized modifications.

Q46. How can you adjust the volume in Windows?
a) Through the system tray icon
b) By editing system files
c) Using the Control Panel
d) Through the Task Manager

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Correct Answer: a) Through the system tray icon
Explanation: The volume can be adjusted through the system tray icon, which provides a quick and accessible way to change the sound level and manage audio settings.

Q47. What is the function of ‘File History’ in Windows?
a) To back up and restore files
b) To manage installed programs
c) To update system drivers
d) To configure network settings

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Correct Answer: a) To back up and restore files
Explanation: ‘File History’ is a backup feature in Windows that automatically saves copies of files and folders, allowing users to restore them if needed.

Q48. How do you access ‘Device Manager’ in Windows?
a) By right-clicking ‘This PC’ and selecting ‘Manage’
b) Through the Control Panel
c) Using the Task Manager
d) By pressing ‘Ctrl+Alt+Del’

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Correct Answer: a) By right-clicking ‘This PC’ and selecting ‘Manage’
Explanation: ‘Device Manager’ can be accessed by right-clicking ‘This PC’ and selecting ‘Manage,’ providing access to manage and troubleshoot hardware devices.

Q49. What does the ‘Security and Maintenance’ feature in Windows do?
a) Provides information about system security and maintenance issues
b) Manages installed applications
c) Configures display settings
d) Updates system software

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Q49. What does the ‘Security and Maintenance’ feature in Windows do?
a) Provides information about system security and maintenance issues
b) Manages installed applications
c) Configures display settings
d) Updates system software

Q50. How can you uninstall a program in Windows?
a) Through the ‘Programs and Features’ option in the Control Panel
b) By deleting the program files manually
c) Using Task Manager
d) Through File Explorer

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Correct Answer: a) Through the ‘Programs and Features’ option in the Control Panel
Explanation: To uninstall a program, you can use the ‘Programs and Features’ option in the Control Panel, where you can select the program and choose to uninstall or change it.

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