Computer Architecture: (Memory Hierarchy)

(a) Compute the miss penalty to transfer 8 words cache block from DRAM, where it takes 2 memory bus cycles to send the address, 25 memory bus cycles for DRAM access time and 3 memory bus cycles to send one word of data for the following three organizations: (i) Oneword- wide memory organization, (ii) Wide memory organization (4-word wide) and (iii) Interleaved memory organization (4 banks). Show all your work to get full credit.