Virtual Memory Foundations Checkpoint

1. With 4096-byte pages, what part of a virtual address is unchanged by page-table translation?

The page offset The virtual page number The process id The page-table root pointer

2. A page-table entry exists but has Present=false. What should an access produce?

A page fault A TLB hit A protection fault A successful translation to frame zero

3. A present page is readable but not writable. A write access should produce:

A protection fault A page fault A TLB capacity miss A silent copy

4. True/False: A TLB is a cache of address translations, not a replacement for page tables.

5. On an LRU TLB hit, the accessed entry should become:

Most recently used Least recently used Invalid Randomly evicted