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

Question: How dose second chance page-replacement algorithm work?
The basic algorithm of second-chance replacement is a FIFO replacement algorithm. When a page has been selected, however, we inspect its reference bit. If the value is 0, w