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CompTIA 220-802 Certification Practice Test

Category - 802

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Which typical power management features are available for processors?

Combining power planes for cores and memory controller
Turning off unused parts of the processor
Utilize the 128-bit FPU (floating point unit)
Switching power off or on within a single clock cycle

Explanation

Answer: B and D - Portions of the CPU can be turned off when unused, and during a single clock cycle, power can be turned off to save energy.
Key Takeaway: An example of an unused portion of a CPU is the memory controller could turn off the writing logic when reading from memory.

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CompTIA 220-802 Certification Practice Test

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CompTIA 220-802 Certification Practice Test

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