It is not possible to have a system in which each processor has some private memory in addition to shared memory.

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It is possible to have a system in which each processor has some private memory in addition to shared memory. This is known as a distributed shared memory system. In such a system, each processor has its own local cache or memory, but through the use of hardware and software mechanisms, these memories are kept consistent with the shared memory. This allows for faster access times and better performance than a system with only shared memory.

It Is Not Possible to Have a System in Which