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4 cards from this section. Quick, good the night before a test.
What is a page fault?
Think about what happens in virtual memory management.
Describe the FIFO page replacement algorithm.
Consider how a line works; the first in line is served first.
What does a page fault indicate?
Consider what must happen when a program cannot find what it needs.
True or False: The FIFO algorithm is the most efficient page replacement method.
Think about how you would prioritize tasks in line.
Construct a simulation of the optimal page replacement algorithm using the reference string 2 0 1 6 4 2 0 1 6 4 0 1 0 3 1 2 1 with varying frame sizes. Analyze the fault rates.
Consider the implications of fewer frames leading to more faults.
Create a detailed chart comparing the fault rates of FIFO, Optimal, and LRU algorithms using the provided reference string. Explain why results differ.
Track how often each page is accessed and when it is needed next.
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