Practice Fixed Allocation Scheme (20.4.2) - Belady's Anomaly - Computer Organisation and Architecture

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6 sample questions

Question 1.
What is Belady's anomaly in simple terms?
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Think about how frame allocation might affect page usage.
Question 2.
Define fixed allocation schemes.
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Consider how resources are divided among users.
3Question 3.
What does Belady's anomaly demonstrate?
- Increased frames always reduce faults
- Increased frames can increase faults
- Frames allocation does not matter
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Consider how page replacement works with different algorithms.
4Question 4.
True or False: LRU will exhibit Belady's anomaly.
- True
- False
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Think about what happens when pages are retained.
Question 5.
If Process A requires 6 frames, Process B requires 3 frames, and only 9 are available under a fixed allocation scheme, how would you allocate them?
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Consider how to prioritize based on requirement.
Question 6.
Discuss a scenario where utilizing the Optimal algorithm would be superior to FIFO and explain why.
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Think about predicted vs. actual access timelines.

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