$1.$ Consider two machines with two different instruction sets. Machine A has a $2GHz$ clock and

machine $B$ has a $3GHz$ clock. The following measurements are recorded upon execution of a

program.

points$)$

Part A$)$ For Machine A$,$ what is the average CPI?

points$)$

Part B$)$ For Machine B$,$ what is the average CPI?

Part C$)$ What is the execution time for each machine and which is faster?

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