Question: A system uses the third-chance page replacement algorithm. At time i, the four page frames contain the page numbers and r-bits shown below. The pointer

A system uses the third-chance page replacement algorithm. At time i,

A system uses the third-chance page replacement algorithm. At time i, the four page frames contain the page numbers and r-bits shown below. The pointer is at the page to be considered next. At time i+1, page 4 is referenced. Show all changes as a result of the reference. At time i+1, which page is the pointer at

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=+ Why have these changes occurred?

=+90 percent of all oil refineries) into several smaller companies

=+ b. providing some poor people with vouchers that can be used to buy food