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4 cards from this section. Quick, good the night before a test.
What two parts compose a virtual address?
Think about how the address is structured.
What does the valid bit in a page table entry indicate?
What action is needed if the valid bit is 0?
What are the two components of a virtual address?
Recall how virtual addresses are structured.
True or False: The valid bit indicates if a page must be retrieved from secondary storage.
What action is taken when the valid bit is zero?
Given a 64-bit system with a page size of 8KB, how many entries would be needed for the page table? Explain your reasoning.
Calculate the remaining bits after subtracting the bits used for the page offset.
In a system where fragmented memory is an issue, suggest a way to improve memory allocation using segmentation and explain how it affects performance.
Think about how segmentation reduces scatter in data.
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