In Windows, the command 'systeminfo' displays: MCQ with Answer and Explanation

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In Windows, the command 'systeminfo' displays:

A. Only the OS version

B. Detailed system configuration including OS version, memory, and network

C. List of installed updates

D. Disk usage

Answer: Option B

Solution (By JKSSB Mock Tests)

systeminfo provides a comprehensive summary of system hardware and software configuration.

This question belongs to: Computer Operating Systems

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What is the main role of the Android 'MediaPlayer' class?

A. To edit media files

B. To record audio

C. To play audio and video files

D. To manage media storage

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Correct Answer: Option C

Explanation:
MediaPlayer is used for playback of audio/video from files, streams, or resources.

This question belongs to: Computer Operating Systems

Question #2

What is the purpose of the Android 'StorageManager'?

A. To get storage statistics

B. To handle external storage

C. To format storage

D. To access storage volumes and manage storage operations

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Correct Answer: Option D

Explanation:
StorageManager provides APIs to query storage volumes, get total/free space, and mount/unmount storage.

This question belongs to: Computer Operating Systems

Question #3

What is the core purpose of a 'Microkernel' design pattern?

A. To keep the kernel space highly minimal, moving non-essential services like file handlers into isolated user space processes.

B. To maximize execution performance by putting all drivers into kernel space.

C. To run systems without any random access memory.

D. To handle only mobile device microchips.

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Correct Answer: Option A

Explanation:
Microkernels maximize system reliability and safety by offloading complex operations like networking and file system layers to user-level tasks.

This question belongs to: Computer Operating Systems

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