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2 cards from this section. Quick, good the night before a test.
What is virtual memory?
Think about memory limitations and how they can be bypassed.
What is the purpose of a dirty bit?
Focus on modified or changed pages.
What does virtual memory specifically allow?
Think about why we might need more memory when performing processes.
True or False: The Write Back Mechanism writes all pages back to disk every time a page is replaced.
Consider what happens with pages that remain unchanged.
Analyze how increasing page sizes can affect both hit and miss ratios in a TLB. Discuss potential trade-offs involved.
Consider how large pages affect memory waste versus performance.
Design an algorithm that would minimize thrashing in a multi-process environment. What factors must it consider?
Focus on balancing memory allocation between competing processes.
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