Explain functionality of multiprogrammed system in user mode

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Reference no: EM1366649

Many computers today provide software-visible power management. For example, when a program has little or no work to do, it can reduce the CPU voltage and frequency, or put it to sleep altogether. In a multiprogrammed system, should this functionality be available in user mode or only accessible via a system call? Why or why not?

Reference no: EM1366649

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