Which system file contains local static mappings of domain names to IP addresses, checked before querying external DNS servers in Windows and Linux? MCQ with Answer and Explanation
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Question #1
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What does 'Internal Fragmentation' mean in paging-based memory management?
Correct Answer: Option C
Explanation:
Internal fragmentation happens when memory is allocated in fixed-size blocks (like pages), and a process requests less memory than the block size, leaving the remainder wasted inside that block.
Internal fragmentation happens when memory is allocated in fixed-size blocks (like pages), and a process requests less memory than the block size, leaving the remainder wasted inside that block.
This question belongs to:
Computer
Operating Systems
Question #2
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In Android, which component is used to receive and respond to system-wide broadcast announcements?
Correct Answer: Option D
Explanation:
Broadcast Receivers listen for system events (like boot completed, battery low) and allow apps to respond.
Broadcast Receivers listen for system events (like boot completed, battery low) and allow apps to respond.
This question belongs to:
Computer
Operating Systems
Question #3
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In Windows, the Registry is divided into which main hives?
Correct Answer: Option B
Explanation:
The five root keys (hives) are HKLM, HKCU, HKCR, HKU, and HKCC.
The five root keys (hives) are HKLM, HKCU, HKCR, HKU, and HKCC.
This question belongs to:
Computer
Operating Systems
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