a$)$ For a program with $20\%$ ALU instructions, $10\%$ control instructions and $70\%$ memory instructions, which design will be faster? Give a CPI average for each case. b$)$ We have a particular program we wish to run. When compiled for computer A$,$ this program has exactly instructions. How many instructions would the program need to have when compiled for Computer B$,$ in for the two computers to have exactly the same execution time for this program? $)$ UsE MiPs to compare the performance of two different processors. Exercise $6$: The design team for a simple, single$-$issue processor is choosing between two implementations. Here are some design parameters for the two possibilities: Machine A $3$ GHz $22\mathrm{.}7$ Machine B $2\mathrm{.}2$ GHz $1\mathrm{.}31\mathrm{.}31\mathrm{.}5$