Practice Allocation Of Frames (20.4) - Belady's Anomaly - Computer Organisation and Architecture

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6 sample questions

Question 1.
Define Belady's anomaly.
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Think about the relationship between pages in memory.
Question 2.
What does LRU stand for?
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It refers to a page replacement strategy.
3Question 3.
What is Belady’s anomaly?
- A method of page replacement
- An increase in page faults when frames are added
- A dirty page management strategy
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Consider how memory management might contradict expectations.
4Question 4.
True or False: The LRU algorithm exhibits Belady's anomaly.
- True
- False
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Think about what LRU stands for.
Question 5.
Given a reference string and frame sizes, calculate the number of page faults using FIFO and LRU.
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Use both algorithms to compare results!
Question 6.
Analyze a scenario where a system uses fixed and priority-based frame allocation, including potential thrashing.
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Consider real-time computing needs!

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