Regarding processors, which of the following is wrong for calculating the CPU Time of a programme?

Question

Answer

Execution time = Cycle count of the programme x Clock cycle time

Answer

Execution time = Instruction count of the programme x Cycles per Instruction x Clock cycle time

Answer

Execution time = Instruction count of the programme x Cycles per Instruction x Clock rate

Answer

Execution time = Cycle count of the programme / Frequency

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