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Enhanced Second chance algorithm
In this a modify bit is as well used. Now if the ordered pair of reference and modify is
(0,0) neither recently used nor modified - the best page to replace.
(1,1) both referenced and modified- the worst to replace
(1,0) referenced but not modified
(0,1) not recently used but modified.
This algorithm is utilized in the Macintosh virtual memory management scheme.
Question 1: a) Distinguish between "Long-Term Scheduler" and "Short-Term Scheduler". b) Describe the benefits of "Threads". c) Name three types of CPU Scheduling. Que
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
How does an operating system make multiprogramming possible by using single processor?
Define request edge and assignment edge. Answer: A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
how intranet can make your business effective
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Q. Presume that you have coded the deadlock-avoidance safety algorithm as well as now have been asked to implement the deadlock-detection algorithm. Can you do thus by simply usin
with the aid of diagrams describe the following os structures monolithic , layered, client server
Q. What are the major advantages of the microkernel approach to system design? Answer: Benefits usually include the following (a) Adding a new service doesn't require modify
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