Why does a direct-mapped cache use address bits in the middle of the address (as opposed to the high order bits) to determine which cache set the memory block will map to?

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to keep the cache from exploding

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so contiguous memory blocks will map to the same cache set

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so contiguous memory blocks can be in the cache at the same time

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to make creating the set index faster

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Why does a direct-mapped cache use address bits in the middle of the address (as...

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