Clock algorithm
Describe Clock algorithm ?
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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.
Part 1.Instructions:Based on information presented during class and from your readings, please match the following activities with the appropriate description. You will need to use two descriptors to define each study. Q : Define Operating system process Operating system process: The execution environment in which the class instances and the instances of subsystems run and reside and its unique address space is combined known as Operating system process. The execution environment might be divided into
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