In Windows, the command 'diskpart' is used for: MCQ with Answer and Explanation

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In Windows, the command 'diskpart' is used for:

A. Disk formatting

B. Disk partition management

C. Disk defragmentation

D. Disk cleanup

Answer: Option B

Solution (By JKSSB Mock Tests)

diskpart is a command-line utility for managing disk partitions, volumes, and dynamic disks.

This question belongs to: Computer Operating Systems

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Question #1

What is the function of the Android 'TelephonyManager'?

A. To make phone calls

B. To send SMS

C. To manage data connection

D. To access device telephony and network information

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Correct Answer: Option D

Explanation:
TelephonyManager provides information about cellular network, SIM, device ID, and phone state.

This question belongs to: Computer Operating Systems

Question #2

What is the primary role of the 'Dalvik Cache' in older Android operating system versions?

A. To mirror user photo files to external flash storage cards.

B. To maintain wireless network connectivity routes.

C. To hold optimized bytecode versions of installed applications to speed up runtime execution cycles.

D. To regulate battery charging limits.

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Correct Answer: Option C

Explanation:
The Dalvik cache contained optimized dex bytecode files for installed applications, reducing interpretation overhead when launching applications.

This question belongs to: Computer Operating Systems

Question #3

Which type of OS allows multiple users to work on the same system simultaneously?

A. Real-time OS

B. Multi-user OS

C. Embedded OS

D. Distributed OS

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Correct Answer: Option B

Explanation:
Multi-user operating systems enable multiple users to concurrently access system resources, each with their own session (e.g., Linux, Windows Server).

This question belongs to: Computer Operating Systems

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