Second-Chance Algorithm. Basically, it’s a FIFO algorithm When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page, otherwise, we give the page a second chance and move on to select the next FIFO page
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If the degree of multiprogramming is increased even further, thrashing sets in, and CPU utilization drops sharply
Under this situation, we must decrease the degree of multiprogrammingThrashing