9.13
a.
1. 0
2. Whenever a new page is associated with that frame.
3. Whenever one of the pages associated with that frame is no longer required
4. Find a frame with the smallest counter. Use FIFO for breaking ties.
b. 14 page faults
c. 11 page faults


Using a circular queue to avoid moving data in a FIFO queue.When a page fault occurs, the page the hand is pointing to is inspected.