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if i use hierarchical system then the equation : 50 = 10 + 0.3(p*400 + (1-p)*125)... is correct?

asked in Operating System by Active (2.3k points) | 131 views
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50 = 0.7*10 + 0.3(p*(400+125) + (1-p)*125) should be this
0
you are using simultenous? because if you are saying this is for hierarchical then i am not convinced, also how to understand this will be hierarchical or simultenous
0
also replacing a dirty page includes the page fault time.

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Referring https://gateoverflow.in/3500/gate2007-it-58

50 = 0.7*10 + 0.3(p*(400) + (1-p)*125)

p = 0.0667

because 400 is time taken to replace dirty page which includes page fault time

answered by Active (2.5k points)

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