In Linux, the command 'rm -rf' is used to: MCQ with Answer and Explanation
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Question #1
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Which Linux command is used to change the permissions of a file with symbolic notation?
Correct Answer: Option A
Explanation:
chmod accepts symbolic mode like u+x (add execute for owner), g+w (add write for group), o-r (remove read for others).
chmod accepts symbolic mode like u+x (add execute for owner), g+w (add write for group), o-r (remove read for others).
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Computer
Operating Systems
Question #2
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What is the function of the Android 'Power Manager'?
Correct Answer: Option B
Explanation:
Power Manager controls power-saving features, sleep modes, and monitors battery usage to extend battery life.
Power Manager controls power-saving features, sleep modes, and monitors battery usage to extend battery life.
This question belongs to:
Computer
Operating Systems
Question #3
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What type of operating system design runs a single application loop directly on hardware without processing delays, frequently used in automotive anti-lock brakes?
Correct Answer: Option C
Explanation:
An RTOS provides deterministic response timing guarantees necessary for critical automation tasks like braking loops or medical telemetry.
An RTOS provides deterministic response timing guarantees necessary for critical automation tasks like braking loops or medical telemetry.
This question belongs to:
Computer
Operating Systems
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