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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 when a process can't find a required piece of data.
Define thrashing in the context of memory management.
Consider what happens when there aren't enough frames for processes.
What happens when a process does not have enough frames allocated to it?
Think about the impact of not enough resources.
True or False: Fixed allocation is independent of process size.
Reflect on the characteristics of fixed frame distribution.
Given a system with 150 frames and 4 processes requiring (in order) 40, 50, 30, and 20 frames each, how would you allocate the frames using proportional allocation?
Sum the requirements first to guide your allocations.
Create a scenario that demonstrates thrashing and explain how to mitigate it based on the concepts learned.
Think about balancing between active process needs and available memory.
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