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2 cards from this section. Quick, good the night before a test.
What is the purpose of a reference bit in page replacement strategies?
Consider how pages are evaluated based on previous usage.
Define Belady's Anomaly.
Think about the implications of page access patterns.
What does the reference bit indicate?
Think about page access tracking.
True or False: Belady's Anomaly states that increasing the number of page frames will always decrease page faults.
Remember the counterintuitive nature of this anomaly.
You are designing a page replacement strategy for a system that frequently accesses a repeated sequence of pages. Describe your approach and reasoning.
Focus on the patterns of access when making your choice of algorithm.
Optional use case: Given a set of access patterns, analyze and determine if Belady's Anomaly could occur.
Consider specific sequence combinations and their interactions with the physical memory.
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