Operating Systems - Paging vs Segmentation - Address Translation
In a system where processes frequently grow their stack dynamically, which memory management approach better handles this scenario and why?
In a system where processes frequently grow their stack dynamically, which memory management approach better handles this scenario and why?
hard⚖️ Approach Comparison Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Analyze dynamic stack growth
Stack grows dynamically and unpredictably.Step 2: Evaluate paging
Paging allows allocating new fixed-size pages easily without needing contiguous physical memory.Step 3: Evaluate segmentation
Segmentation requires contiguous physical memory for segment expansion, which is difficult.Step 4: Evaluate paged segmentation
While combining both, complexity and overhead may not justify it for stack growth.Step 5: Evaluate Neither, because dynamic stack growth requires contiguous physical memory
Dynamic stack growth does not require contiguous physical memory if paging is used.Final Answer:
Option C -> Option CQuick Check:
Paging supports dynamic growth via page allocation -> correct [OK]
Quick Trick: Paging handles dynamic growth better due to fixed-size pages [OK]
Common Mistakes:
MISTAKES- Assuming segmentation can easily expand segments dynamically
- Believing contiguous physical memory is always required
Trap Explanation:
PITFALL- Candidates often overestimate segmentation's flexibility and underestimate paging's dynamic allocation advantage.
Interviewer Note:
CONTEXT- Tests application of memory management concepts to dynamic scenarios
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