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In virtual memory, suppose a working set algorithm with a window size w of 3 is used. Suppose that LRU is used to decide which

In virtual memory, suppose a working set algorithm with a window size w of 3 is used. Suppose that LRU is used to decide which page is unloaded. Suppose that R = 1 2 0 3 1 2 0 3 0 1 2 3 4. What is the behavior of the working set algorithm? How many page faults do you have?

Suppose that a hard disk has tracks 0:99. Its head is currently at track 75, data requests are 23, 87, 36, 93, 66. If circular look is used, how many steps will be needed?

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