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Applied Test Series

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In a paged memory, the page hit ratio is 0.35. The page fault service time takes 100 ns. The time required to access a page in primary memory is 10 ns. The effective memory access time required to access a page is ____ ns

 

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EMAT = hit ratio * MMAT + (1 – hit ratio) * (PFST)

 = 0.35 * 10 + (1 - 0.35) * (100)

= 3.5+0.65*100

= 3.5+ 65

= 68.5 ns
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