What is the purpose of the Android 'Sandbox'? MCQ with Answer and Explanation
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Question #1
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Which Android component is responsible for managing the lifecycle of an application process?
Correct Answer: Option D
Explanation:
ActivityManager manages the overall application lifecycle, including starting and killing processes based on memory needs.
ActivityManager manages the overall application lifecycle, including starting and killing processes based on memory needs.
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Computer
Operating Systems
Question #2
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What does a 'Page Table Base Register (PTBR)' store in a hardware configuration?
Correct Answer: Option D
Explanation:
The PTBR is a dedicated processor register that holds the physical starting address of the active thread's page table map.
The PTBR is a dedicated processor register that holds the physical starting address of the active thread's page table map.
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Computer
Operating Systems
Question #3
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Which Linux command is used to stop a running service (e.g., Apache)?
Correct Answer: Option C
Explanation:
On systemd-based Linux, systemctl stop is used to stop services; older sysvinit used service command.
On systemd-based Linux, systemctl stop is used to stop services; older sysvinit used service command.
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Computer
Operating Systems
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