1. (18 pts) Consider a direct-mapped cache with two-word blocks and a total size of 8 blocks. a. How should a 32-bit byte address be divided into Tag, Index, and offset? b. For each address in the given byte address sequence, fill the table below to specify the binary pattern of the address, its Index, Tag, whether the reference is a hit or a miss, and whether a replacement will be triggered. Assume the cache is initially empty