What is the purpose of the Android 'Sensor Manager'? MCQ with Answer and Explanation

Question
What is the purpose of the Android 'Sensor Manager'?
A. To control camera
B. To handle location services
C. To provide access to device sensors (accelerometer, gyroscope, etc.)
D. To manage battery status
Answer: Option C
Solution (By JKSSB Mock Tests)
Sensor Manager allows apps to read sensor data and register listeners for changes in sensor readings.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
What is the name of the structural system table maintained by an operating system to keep track of all relevant details of a running process?
A. File Allocation Table (FAT)
B. Process Control Block (PCB)
C. Interrupt Vector Table (IVT)
D. Master Boot Record (MBR)
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Correct Answer: Option B

Explanation:
The Process Control Block (PCB) is a data structure used by the operating system kernel to store all structural metadata and state flags for a specific process.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to create an alias for a command?
A. set
B. export
C. alias
D. ln
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Correct Answer: Option C

Explanation:
alias creates a shortcut for a command or series of commands.
This question belongs to: Computer Operating Systems
Question #3
Which of the following is a process scheduling algorithm that allocates CPU to the process with the shortest remaining time?
A. Priority Scheduling
B. Shortest Job First (SJF)
C. Round Robin
D. Multilevel Queue
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Correct Answer: Option B

Explanation:
SJF selects the process with the shortest total execution time; the preemptive version is Shortest Remaining Time First (SRTF).
This question belongs to: Computer Operating Systems
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