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If the average page-fault service time of 20 π‘šs, a 𝑀AT of 80 𝑛s and the probability of a page fault is 10 %. An effective access time will be:

 

2,000,672 𝑛s

2,000,072 𝑛s

2,000,036 𝑛s

2,000,006 𝑛s
in Operating System
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Effective memory access time = $0.9*80 + 0.1*20*10^6$ ns

= $2,000,072$ ns

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