Answer the following questions true (T) or false (F)
1. True or false: For a given workload and a given instruction-set architecture, reducing the CPI (clocks per instruction) of all the instructions will always improve the performance of the processor.
2. Answer True/False with justification: Memory compaction is usually used with fixed size partition memory allocation scheme.
3. Answer True/False with justification: There is no special advantage for the base and limit register solution over the bounds register solution for memory management.
1. False. The execution time for the processor depends on the number of instructions, the average CPI, and the clock cycle time. If we decrease the average CPI but this requires us to lengthen the instruction cycle time we might see no improvement or even a decrease in performance.
2. False, memory compaction is typically used when the external fragmentation gets too high.
3. False, base and limit registers are used for dynamic relocation, whereas bounds registers are used for static relocation, and dynamic relocation has better memory utilization than static relocation.
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