Question: A system has a memory access time of 50 ns and a cache access time of 2 ns. The instruction time is 4 ns (not

A system has a memory access time of 50 ns and a cache access time of 2 ns. The instruction time is 4 ns (not counting memory access) and the average instruction requires 0.25 memory accesses. If the hit rate is 0.90, what is the average instruction time?

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