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

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What is the purpose of the Android 'RecyclerView'?

A. To display a list of items

B. All of the above

C. To display large datasets efficiently with recycling of views

D. To provide a flexible view container

Answer: Option B

Solution (By JKSSB Mock Tests)

RecyclerView is an advanced list view that recycles item views to improve performance and allows custom layouts.

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What is the function of the Android 'MediaScanner'?

A. To play media files

B. To scan media files and update the media database

C. To manage media codecs

D. To transcode media

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Correct Answer: Option B

Explanation:
MediaScanner scans storage for media files and adds metadata (artist, album) to the system database for apps to query.

This question belongs to: Computer Operating Systems

Question #2

In Android, what is an 'Intent'?

A. A permission grant

B. A data storage mechanism

C. A type of service

D. A messaging object used to request an action from another component

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Correct Answer: Option D

Explanation:
Intents are used to start activities, services, broadcast messages, and communicate between components.

This question belongs to: Computer Operating Systems

Question #3

Which tool in Microsoft Windows is explicitly built to inspect historical system logs, error dumps, and software warnings?

A. Event Viewer

B. Task Scheduler

C. Performance Monitor

D. System Configuration (msconfig)

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Correct Answer: Option A

Explanation:
Windows Event Viewer is an administrative utility that logs application events, security events, and system error logs for debugging purposes.

This question belongs to: Computer Operating Systems

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