Q21. Which operating system is commonly used on Apple computers?
a) Windows
b) Linux
c) macOS
d) Android
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Correct Answer: c) macOS
Explanation: macOS is the operating system used on Apple computers, providing a user interface and managing hardware and software resources.
Q22. How do you add a new program to a Windows system?
a) By using ‘Add or Remove Programs’ in the Control Panel
b) By dragging the program icon to the desktop
c) By right-clicking on the ‘Start’ menu
d) By accessing the ‘Task Manager’
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Correct Answer: a) By using ‘Add or Remove Programs’ in the Control Panel
Explanation: To add a new program, you can use the ‘Add or Remove Programs’ option in the Control Panel to install new software.
Q23. What is the purpose of ‘desktop shortcuts’?
a) To provide quick access to files, folders, or applications
b) To manage system updates
c) To configure network settings
d) To adjust display settings
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Correct Answer: a) To provide quick access to files, folders, or applications
Explanation: Desktop shortcuts are used to create easy access points for frequently used files, folders, or applications, improving productivity and convenience.
Q24. What does the ‘System Settings’ in Windows allow you to configure?
a) Personalize appearance, manage hardware, and adjust system settings
b) Install new software
c) View system performance reports
d) Monitor network traffic
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Correct Answer: a) Personalize appearance, manage hardware, and adjust system settings
Explanation: ‘System Settings’ in Windows provides options to personalize the computer’s appearance, manage hardware components, and adjust various system settings.
Q25. Which file extension is associated with image files?
a) .exe
b) .mp3
c) .jpg
d) .docx
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Correct Answer: c) .jpg
Explanation: The .jpg file extension is commonly used for image files, particularly for compressed photographic images.
Q26. What does the ‘Start Menu’ in Windows provide access to?
a) Installed programs, system settings, and files
b) Network configurations
c) Power supply settings
d) Hardware drivers
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Correct Answer: a) Installed programs, system settings, and files
Explanation: The Start Menu provides quick access to installed programs, system settings, and frequently used files, helping users navigate their computer efficiently.
Q27. How can you change the screen resolution in Windows?
a) By going to ‘Display Settings’ in the Control Panel or Settings
b) By using the Task Manager
c) By opening File Explorer
d) By accessing the ‘Device Manager’
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Correct Answer: a) By going to ‘Display Settings’ in the Control Panel or Settings
Explanation: Screen resolution can be adjusted by accessing ‘Display Settings’ in the Control Panel or Settings, allowing users to change the screen’s resolution and orientation.
Q28. Which of the following is NOT typically managed by an operating system?
a) User interfaces
b) Hardware resources
c) Application software
d) Network security
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Correct Answer: c) Application software
Explanation: While operating systems manage user interfaces, hardware resources, and network security, they do not directly manage application software, which operates on top of the OS.
Q29. What does the ‘Add or Remove Programs’ feature allow you to do?
a) Install or uninstall software
b) Manage hardware settings
c) Adjust system performance
d) Configure network connections
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Correct Answer: a) Install or uninstall software
Explanation: The ‘Add or Remove Programs’ feature in the Control Panel allows users to install new software or uninstall existing programs from their system.
Q30. What is the primary role of an operating system on a mobile device?
a) To manage hardware, provide a user interface, and support mobile applications
b) To connect to external devices
c) To update software applications
d) To manage internet connections
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Correct Answer: a) To manage hardware, provide a user interface, and support mobile applications
Explanation: On mobile devices, the operating system manages hardware resources, provides a user interface, and supports the installation and execution of mobile applications.