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Define FIFO Page Replacement Algorithm
This policy simply eliminates pages in the order they arrived in the main memory. By using this policy we simply remove a page based upon the time of its arrival in the memory. For instance if we comprise the reference string that is: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 and 3 frames (3 pages can be in memory at a time per process) after that we have 9 page faults as shown
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Question 1: "Three entities must be accountable and responsible for accident prevention." (a) List and explain these three entities. (b) Discuss the role of workers in ma
Ok so i think i got this right by not 100% on this. what I want to figure out is if there are x visitors that can line up for a ride but only 1 passenger can get on the ride at a t
Q. The wait() statement in every Java program examples was part of a while loop. Describe why you would always need to use a while statement when using wait() and why you would ne
address binding at load time
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may happen in two different scenarios: Asynchronous cancellation: One thr
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
What are the three main activities of an operating system in regard to memory management? Keep track of which parts of memory are now being used and by whom. Decide which pr
Q. Advantages and disadvantages of multiprogramming? Advantages 1. High CPU utilization. 2. It appears that many programs are allotted CPU almost concurrently. D
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