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Suppose a cache has 256 blocks and each block contains 20 bytes. To map the byte address 99, what should be the block number? 12.8 013 99 012 0 12.5 95 Suppose a cache has 256 blocks and each block contains 20 bytes. To map the byte address 99, what should be the block number? 12.8 013 99 012 0 12.5 95