QIn which processor did the control register and system management mode register make their debut?
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Explanation
The control register and system management mode register first appeared in the 80386SL processor and were later succeeded by other processors. These registers provide intelligent power control by enabling the processor to switch between different power states based on the system's requirements. The control register allows software to read or modify the current power state of the processor, while the system management mode register enables the processor to enter a low-power state and perform system management tasks.
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