Question: Consider a dynamic RAM that must be given a refresh cycle 66 times per millisecond. Each refresh operation requires 150 ns; a memory cycle requires

Consider a dynamic RAM that must be given a refresh cycle 66 times per millisecond. Each refresh operation requires 150 ns; a memory cycle requires 250 ns.

a. What percentage of the memorys total operating time must be given to refreshes?

b. What is the maximum number of memory cycles in 1ms that can be used for reads/writes (refresh cycles are not part of memory accesses)?

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