What is the function of the Android 'NotificationManager'? MCQ with Answer and Explanation

Question
What is the function of the Android 'NotificationManager'?
A. To post and manage notifications in the status bar
B. To handle intents
C. To send SMS
D. To manage alarm clocks
Answer: Option A
Solution (By JKSSB Mock Tests)
NotificationManager is used to create, update, and cancel notifications displayed to the user.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which Linux terminal command allows a user to safely change their current working directory location?
A. dir
B. mv
C. cd
D. chown
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Correct Answer: Option C

Explanation:
The 'cd' command stands for 'change directory' and is used to switch locations across folders in CLI navigation.
This question belongs to: Computer Operating Systems
Question #2
What is the primary purpose of the 'Task Scheduler' in Windows?
A. To monitor system performance
B. To schedule system updates
C. To manage user accounts
D. To automatically run tasks at predefined times or events
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Correct Answer: Option D

Explanation:
Task Scheduler allows administrators to automate script execution, backups, and maintenance tasks.
This question belongs to: Computer Operating Systems
Question #3
Which Windows utility allows an administrator to schedule a task or script to execute automatically at specific times or after certain events?
A. Registry Editor
B. Task Manager
C. Task Scheduler
D. System Properties
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Correct Answer: Option C

Explanation:
Windows Task Scheduler is a built-in tool that lets users and administrative accounts schedule automated routines to execute on specific dates/times.
This question belongs to: Computer Operating Systems
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