Virtual Memory Checkpoint

1. A TLB is:

A cache of page translations A disk buffer A user-space allocator A file index

2. Copy-on-write triggers when:

A shared page is written A page is read A page is swapped A process exits

3. LRU eviction removes:

The least recently used entry The most recently used entry A random entry The oldest entry by PID

4. True/False: COW reduces fork cost by deferring copies until writes.