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Explain FIFO page replacement
A FIFO replacement algorithm associates with every page the time when that page was brought into memory. When a page must be changed, the oldest page is chosen. We can make a FIFO queue to hold all pages in memory. We change the page at the head of the queue. Insert page at the last of the queue.
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
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KERNEL-LEVEL THREADS (KLT) In this level every thread management is done by kernel .No thread library except an API system calls to the kernel thread facility exists. The kern
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