COMPUTER ARCHITECTURE
MEMORY SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the average latency of DRAM for current Computer systems?
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10 nanoseconds
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100 nanoseconds
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1000 nanoseconds
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10, 000 nanoseconds
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Explanation:
Detailed explanation-1: -The access time of cache memory is 100 ns and that of the main memory is 1 sec. 80% of the memory requests are for reading and others are for write. The hit ratio for reading only accesses is 0.9.
Detailed explanation-2: -Formula. RL = CL *2000 / DR. CAS Latency (CL) Date Rate (MHz) Ram Latency (nanoseconds) 04-Aug-2022
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