What does a 'Cold Boot' involve that a 'Warm Boot' explicitly bypasses? MCQ with Answer and Explanation

Question
What does a 'Cold Boot' involve that a 'Warm Boot' explicitly bypasses?
A. Network interface configuration diagnostics.
B. The execution of compilation code segments.
C. Loading user interface themes from secondary disk storage.
D. The execution of full hardware initialization sequences via the Power-On Self-Test (POST) from a zero power state.
Answer: Option D
Solution (By JKSSB Mock Tests)
Cold booting requires powering components up from scratch, necessitating complete hardware verification routines (POST) missing from warm software resets.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
What is the role of the bootloader in the boot process?
A. To load the operating system kernel into memory
B. To manage file systems
C. To provide a user interface during boot
D. To perform hardware diagnostics
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Correct Answer: Option A

Explanation:
The bootloader (e.g., GRUB, Windows Boot Manager) loads the OS kernel and passes control to it.
This question belongs to: Computer Operating Systems
Question #2
Which of the following files acts as the default boot loader for modern Windows systems utilizing UEFI firmware?
A. grub.efi
B. io.sys
C. bootmgr.efi
D. NTLDR
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Correct Answer: Option C

Explanation:
Modern Windows operating systems on UEFI systems use bootmgr.efi as the primary boot manager, whereas older BIOS-based legacy systems used NTLDR or bootmgr.
This question belongs to: Computer Operating Systems
Question #3
Which component of an Android application represents a single visible screen with a user interface layer that the user interacts with?
A. Content Provider
B. Service
C. Broadcast Receiver
D. Activity
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Correct Answer: Option D

Explanation:
An 'Activity' is the fundamental component that handles a single focused screen interface layout for user interaction.
This question belongs to: Computer Operating Systems
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