Consider that a level of the memory hierarchy has a hit rate of 80%. Memory requests take 10 ns to complete if they hit in the level, and memory requests that miss in the level take 100 ns to complete. The average access time of the level is

Consider that a level of the memory hierarchy has a hit rate of 80%. M

1.	Consider that a level of the memory hierarchy has a hit rate of 80%. Memory requests take 10 ns to complete if they hit in the level, and memory requests that miss in the level take 100 ns to complete. The average access time of the level is
A.	110 ns
B.	100 ns
C.	80 ns
D.	28 ns
Answer» E.