1. What is the purpose of the MESI protocol? Briefly explain each of the four states used...
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1. What is the purpose of the MESI protocol? Briefly explain each of the four states used in the MESI protocol.
2. Consider a dual-processor system with two processors, A and B. Each of the processors has an on-chip cache. The processors share a common main memory. After being modified a cache line in Processor A is in the M state. What will happen if processor B attempts to read from an address in main memory that corresponds to an address in the M-state cache line of Processor A?
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