What is the role of the bootloader in the boot process? MCQ with Answer and Explanation

Question
What is the role of the bootloader in the boot process?
A. To perform hardware diagnostics
B. To load the operating system kernel into memory
C. To provide a user interface during boot
D. To manage file systems
Answer: Option B
Solution (By JKSSB Mock Tests)
The bootloader (e.g., GRUB, Windows Boot Manager) loads the OS kernel and passes control to it.
This question belongs to: Computer Operating Systems
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Question #1
What is the role of the Android 'SpeechRecognizer'?
A. To recognize speech and convert it to text
B. To manage voice commands
C. To synthesize speech from text
D. To record audio
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Correct Answer: Option A

Explanation:
SpeechRecognizer performs speech-to-text conversion, using the device's speech recognition service.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to add a group to the system?
A. groupmod
B. groupadd
C. newgrp
D. addgroup
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Correct Answer: Option B

Explanation:
groupadd creates a new group; addgroup is a friendlier front-end on Debian.
This question belongs to: Computer Operating Systems
Question #3
What does the acronym UEFI stand for?
A. Unified Extensible Firmware Interface
B. Universal Extended Firmware Interface
C. Universal Extensible Firmware Integration
D. Unified External Firmware Integration
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Correct Answer: Option A

Explanation:
UEFI is a modern firmware interface that replaces BIOS, offering faster boot, secure boot, and support for large hard drives.
This question belongs to: Computer Operating Systems
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