What is the purpose of the Android 'Download Manager'? MCQ with Answer and Explanation

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What is the purpose of the Android 'Download Manager'?

A. To manage files in the Downloads folder

B. To handle long-running downloads in the background

C. To prioritize download speed

D. To scan downloads for malware

Answer: Option B

Solution (By JKExamLibrary)

Download Manager runs background downloads, supports pause/resume, and notifies user upon completion.

This question belongs to: Computer Operating Systems

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Question #1 Report Error

What is the primary difference between a process and a thread?

A. A process is a program in execution with its own isolated address space, while a thread is a smaller execution unit within a process.

B. Processes can run concurrently, whereas threads can only run sequentially.

C. Threads have larger memory spaces than processes.

D. An operating system contains multiple threads but only one master process.

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Correct Answer: Option A

Explanation:
Processes run inside distinct, isolated memory spaces managed by the OS, whereas threads represent execution pathways sharing the resources of their parent process.

This question belongs to: Computer Operating Systems

Question #2 Report Error

What is the primary role of the Android 'AudioManager'?

A. To play audio files

B. To control audio volume, rings, and sound modes

C. To record audio

D. To manage Bluetooth audio

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Correct Answer: Option B

Explanation:
AudioManager manages system audio settings like volume levels, ringer mode, and audio focus.

This question belongs to: Computer Operating Systems

Question #3 Report Error

What does the term 'Monolithic Kernel' refer to?

A. An architecture where all core OS services run in a single privileged address space for maximum execution speed.

B. A small experimental kernel containing only micro-level drivers.

C. An operating system configuration requiring manual magnetic tapes.

D. A kernel that runs entirely on cloud server nodes.

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Correct Answer: Option A

Explanation:
Monolithic kernels pack core schedules, memory modules, file handlers, and drivers into a unified binary executing inside privileged space.

This question belongs to: Computer Operating Systems

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