The access time of cache memory is 100ns and that of main memory 1000ns. It is estimated that 80 percent of the memory requests are for read and the remaining 20 percent for write.The hit ratio for read accesses only is 0.9.A write through procedur is used. A. What is the average access time of the system considering only memory read cycles? B. What is the average access time of the system for both read and write requists?
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Answer:
1:10
Explanation:
once write read 10 time
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