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4 cards from this section. Quick, good the night before a test.
What are the two parts of a virtual address?
Think about how the address specifies both a page and a specific byte within it.
What does the valid bit in a page table entry indicate?
Consider its role in memory access.
What is a virtual address primarily used for?
Remember the main purpose of virtual addressing in computer architecture.
True or False: A valid bit being off means that the page is present in physical memory.
Recall what the valid bit represents in the page table.
Analyze a system where a process's virtual memory usage grows from 1MB to 16MB requiring memory management strategies to address potential fragmentation. Propose a solution involving page table structure.
Consider how different segments interact and the role of valid bits and length registers.
Given a virtual address space of 4GB and a page size of 8KB, determine the number of page table entries and the required memory size for these entries.
Use the total address space divided by the page size to find the number of entries first.
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