Question: In two level hierarchy, the top level has an access time of 1 0 ns and bottom level has an access time of 5 0

In two level hierarchy, the top level has an access time of 10ns and bottom level has an access time of 50ns, the hit rate on the top level is 90%. If the block size of cache is 16 bytes, then what is the average memory access time required? (Consider the system uses locality of reference)

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