What is the primary advantage of a distributed operating system? MCQ with Answer and Explanation
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Question #1
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Which of the following is a valid Linux file permission value?
Correct Answer: Option A
Explanation:
755, 644, and 700 are all valid octal permissions for files/directories in Linux.
755, 644, and 700 are all valid octal permissions for files/directories in Linux.
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Computer
Operating Systems
Question #2
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Which of the following Android components represents a background service without a user interface, designed to perform long-running tasks like fetching web data or playing audio?
Correct Answer: Option C
Explanation:
An Android 'Service' is an application component designed to handle background tasks (like music playback or network synchronization) without an explicit user interface.
An Android 'Service' is an application component designed to handle background tasks (like music playback or network synchronization) without an explicit user interface.
This question belongs to:
Computer
Operating Systems
Question #3
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In Linux, what does the 'sudo' command do?
Correct Answer: Option B
Explanation:
sudo (superuser do) permits authorized users to run commands as the superuser or another user.
sudo (superuser do) permits authorized users to run commands as the superuser or another user.
This question belongs to:
Computer
Operating Systems
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