Memory Hierarchy Q.33

0. A cache line is 64 bytes. The main memory has latency 32ns and bandwidth 1 GB/s. The time required to fetch the entire cache line from the main memory is

Answer
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Array

Option : C
Explanation : For 1 GBps bandwidth  it takes 1 sec to load 109 bytes on line
so, for 64 bytes it will take 64 * 1 /109 = 64 ns main memory latency given is 32
so, total time required to place cache line is 64 + 32 = 96 ns

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