Clock algorithm
Describe Clock algorithm ?
Expert
Clock algorithm: keep reference bit for each of the page frame, hardware sets the reference bit when a page is read or written. To select page for placement:
· Start along with FIFO approach: cycle through pages in circularly order.
· If the next page has been referenced, don't replace it; only clear the reference bit and continue to the next page.
· If the page has not been referenced sincer the last time we verified it, then replace that page.
Loader: In a computer operating system, the loader is a component which locates a particular program (that can be an application or, in some situations, part of the operating system itself) in offline storage (like a hard disk), loads it into major st
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Give a brief explanation of climax stage of an ecological succession.
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