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Operating System Memory Management Paging 2

Q In a paged memory, the page hit ratio is 0.35. The required to access a page in secondary memory is equal to 100 ns. The time required to access a page in primary memory is 10 ns. The average time required to access a page is?

A A. 3.0 ns
B B. 68.0 ns
C C. 68.5 ns
D D. 78.5 ns

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