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1. |
Consider a non-pipelined processor with a clock rate of 2.5 GHz and average cycles per instruction of four. The same processor is upgraded to a pipelined processor with five stages; but due to the internal pipeline delay, the clock speed is reduced to 2 GHz. Assume that there are no stalls in the pipeline. The speed up achieved in this pipelined processor is |
A. | 3.2 |
B. | 3.0 |
C. | 2.2 |
D. | 2.0 |
Answer» B. 3.0 | |