What is the primary purpose of the Android Kernel? MCQ with Answer and Explanation

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What is the primary purpose of the Android Kernel?

A. To run Java applications

B. To handle network connectivity

C. To provide a user interface

D. To manage hardware resources such as CPU, memory, and drivers

Answer: Option D

Solution (By JKSSB Mock Tests)

Android's kernel (based on Linux) manages hardware, memory, and processes; user interface and app runtime are higher layers.

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Question #1

In Android, which component is responsible for managing the lifecycle of activities?

A. Activity Manager

B. Window Manager

C. Package Manager

D. Content Provider

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Correct Answer: Option A

Explanation:
Activity Manager manages the lifecycle of activities (screens) and handles back stack and transitions.

This question belongs to: Computer Operating Systems

Question #2

Which of the following is a security feature in Windows that prevents unauthorized code from running?

A. Windows Defender

B. Windows Firewall

C. User Account Control (UAC)

D. BitLocker

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Correct Answer: Option C

Explanation:
UAC prompts users for permission when programs try to make system changes, preventing unauthorized actions.

This question belongs to: Computer Operating Systems

Question #3

Which Linux command is used to create an alias for a command?

A. set

B. alias

C. export

D. ln

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Correct Answer: Option B

Explanation:
alias creates a shortcut for a command or series of commands.

This question belongs to: Computer Operating Systems

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