Question: 3. (2 marks) Consider a system with only two types of machine language instructions A and B, with CPIA = 4 and CPIB = 8.

 3. (2 marks) Consider a system with only two types of

3. (2 marks) Consider a system with only two types of machine language instructions A and B, with CPIA = 4 and CPIB = 8. Suppose that through a hardware modification CPA could be deceased to 2, without any change to CPIs, at the cost of increasing the clock Cycle time by 20%. For what range of values of the fraction fa of executed instructions of type A would the program execution time decrease

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