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3 cards from this section. Quick, good the night before a test.
What is a dirty page?
Think about what happens when data in a page changes.
Explain what a reference bit is.
Consider how the OS tracks whether a page is in use.
What happens when a dirty page is replaced?
Think about the implications of data changes.
True or False: A clean page needs to be written back before replacement.
Remember the definition of clean vs dirty pages.
Given a sequence of page accesses (1, 2, 3, 2, 4, 5, 1, 2, 4, 5) and 3 physical page frames, calculate the number of page faults using both LRU and FIFO.
Graphically track memory to visualize which pages are swapped out.
Critically analyze the performance metrics of a system using the clock algorithm versus modified clock algorithm in terms of memory usage efficiency.
Focus on how each strategy affects clean vs dirty pages.
4 more questions in this section. Enroll free to practise them all.
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