In Android, the 'adb' (Android Debug Bridge) is used for: MCQ with Answer and Explanation

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In Android, the 'adb' (Android Debug Bridge) is used for:

A. Transferring files

B. Debugging and communicating with an Android device via command line

C. Managing emulators

D. Installing apps only

Answer: Option B

Solution (By JKSSB Mock Tests)

ADB is a versatile tool for developers to execute commands, install apps, view logs, and debug on connected devices.

This question belongs to: Computer Operating Systems

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What does 'Symmetric Multiprocessing (SMP)' achieve compared to asymmetric multiprocessing?

A. SMP operates without using physical random access memory modules.

B. SMP allows all processors to handle any workload in parallel without a single bottleneck master node.

C. SMP isolates memory blocks from being modified by applications.

D. SMP binds the operating system kernel execution strictly to a single master processor.

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Correct Answer: Option B

Explanation:
SMP distributes operating system overhead and user execution dynamically across all available peer processors, eliminating master-slave bottlenecks.

This question belongs to: Computer Operating Systems

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Which of the following is a type of operating system that supports multiple users, multitasking, and memory protection?

A. Batch OS

B. Modern general-purpose OS (Windows, Linux)

C. Simple embedded OS

D. Single-user OS

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Correct Answer: Option B

Explanation:
General-purpose OSes like Windows and Linux support multiple users, multitasking, and memory protection (virtual memory).

This question belongs to: Computer Operating Systems

Question #3

Which Windows 11 feature utilizes hardware virtualization capabilities to create a secure, isolated enclave for sensitive core OS credentials?

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D. Virtualization-Based Security (VBS)

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Correct Answer: Option D

Explanation:
Virtualization-Based Security (VBS) uses hardware-level virtualization to isolate a secure memory region from the standard operating system layer.

This question belongs to: Computer Operating Systems

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