Which of the following is a popular bootloader for Linux? MCQ with Answer and Explanation

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Which of the following is a popular bootloader for Linux?

A. BOOTMGR

B. GRUB

C. NTLDR

D. LILO

Answer: Option B

Solution (By JKSSB Mock Tests)

GRUB (GRand Unified Bootloader) is the most common bootloader for Linux distributions; LILO is older but less used.

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Question #1

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Which specialized hardware component handles real-time address translation between virtual memory allocations and physical RAM chips?

A. Memory Management Unit (MMU)

B. Central Processing Unit (CPU)

C. Direct Memory Access (DMA) Controller

D. BIOS Chipset

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Correct Answer: Option A

Explanation:
The MMU is a dedicated hardware structure that maps virtual processor memory references to real physical address rails on RAM modules.

This question belongs to: Computer Operating Systems

Question #2

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

A. To scan downloads for malware

B. To handle long-running downloads in the background

C. To manage files in the Downloads folder

D. To prioritize download speed

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Correct Answer: Option B

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

This question belongs to: Computer Operating Systems

Question #3

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In the context of Inter-Process Communication (IPC), what does a 'pipe' do?

A. It routes the standard output of one process directly into the standard input of another process.

B. It amplifies audio outputs to peripheral speakers.

C. It defragments the master storage drive blocks.

D. It blocks unauthorized external network incoming data packets.

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Correct Answer: Option A

Explanation:
A pipe is an IPC mechanism that channels the data output sequence of one system process into the data input stream of another process.

This question belongs to: Computer Operating Systems

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