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What is the chance that exactly one request is made

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Reference no: EM13869573

1. Are there any situations with the MESI cache coherence protocol in which a cache line is present in the local cache but for which a bus transaction is nevertheless needed? If so, explain.

2. Suppose that there are n CPUs on a common bus. The probability that any CPU tries to use the bus in a given cycle is p. What is the chance that

a. The bus is idle (0 requests).

b. Exactly one request is made.

c. More than one request is made.

Reference no: EM13869573

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