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3 cards from this section. Quick, good the night before a test.
Define thrashing in terms of memory management.
Think of what happens when a process needs more memory than is available.
What is a working set?
Consider how often a program needs certain data.
What is thrashing?
Think about what happens when a system is overloaded.
True or False: A working set refers to the pages a program may need in the future.
Focus on current versus future requirements.
Design a simulation that demonstrates thrashing in a virtual memory system and how different factors such as memory size and process workload affect thrashing severity.
Consider how you would track page swaps and system responsiveness.
Discuss the trade-offs of increasing physical memory versus improving program locality in terms of system costs and operational efficiency.
Think about both short-term and long-term impacts on system performance.
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