In Android, what is an 'Intent'? MCQ with Answer and Explanation

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In Android, what is an 'Intent'?

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

B. A type of service

C. A permission grant

D. A data storage mechanism

Answer: Option A

Solution (By JKSSB Mock Tests)

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

This question belongs to: Computer Operating Systems

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Question #1

In Windows, the 'Remote Desktop' feature allows:

A. Connecting to and controlling another computer over a network

B. Accessing files remotely

C. Remote printing

D. Sharing the desktop with others

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Correct Answer: Option A

Explanation:
Remote Desktop Protocol (RDP) enables users to connect to a remote Windows machine and control its session.

This question belongs to: Computer Operating Systems

Question #2

What is the default process management command used in Linux to change the scheduling priority of an already running process?

A. kill

B. chmod

C. renice

D. nice

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Correct Answer: Option C

Explanation:
While 'nice' sets process priority during initial launch, the 'renice' command alters the priority tier of an already active running process ID.

This question belongs to: Computer Operating Systems

Question #3

What is the core purpose of a device driver in an operating system?

A. To act as a translator enabling communication between the operating system and specific hardware peripherals.

B. To scan user applications for viruses and security issues.

C. To optimize the layout of database structures in permanent storage.

D. To provide internet connection capabilities to the web browser software.

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Correct Answer: Option A

Explanation:
Device drivers are specialized programs that enable the Operating System to communicate effectively with external hardware components and peripherals.

This question belongs to: Computer Operating Systems

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