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Question: 3 early examples of cisc and risc design are the...

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3. Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a benchmark program, the following machine characteristics result: Clock Frequency (MHz) Performance (MIPS) CPU Time seCS 12 x Processor Vax 11/780 IBM RS/6000 | 25 18 The final column shows that the VAX required 12 times longer than the IBM measured in CPU time. a) What is the relative size of the instruction count of the machine code for this benchmark program running on the two machines? b) What are the CPl values for the two machines?

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