Test Series

Question

Consider a system with cache access time of 10ns and main memory access time of 100ns. If the simultaneous memory access it used what is the average memory access time if the cache hit ratio is 0.92.( Marks: -0.33 )

 ​ 1.    18ns
  2.    22ns
  3.   17.2ns
  4.   20ns

Comments

option c?

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p>>hit ratio

Tavg=p*c+(1-p)*m

0.92*10+0.08*100

17.2ns