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Gate2000_2.22

 Suppose the time to service a page fault is on the average 10 milliseconds, while a memory access takes 1 microsecond. Then a 99.99% hit ratio results in average memory access time of
(a) 1.9999 milliseconds
(b) 1 millisecond
(c) 9.999 microseconds
(d) 1.9999 microseconds
 

Answer

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1Comment
Amit Pal @amitpal101
26 Sep 2016 12:59 pm

Effective access time = 1 micro sec + 1*10^-4* (10*10^3) micro sec
= 1 micro sec + 1 micro sec = 2 micro sec

so option (d) most correct one .