Which of the following provides the BEST protection from brown outs?
A.
Surge suppressor
B.
Computer power supply with built in surge protections
C.
Motherboard with built-in surge protection
D.
Uninterruptible power supply
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A brownout is an intentional or unintentional drop in voltage in an electrical power supply system. Intentional brownouts are used for load reduction in an emergency. The reduction lasts for minutes or hours, as opposed to short-term voltage sag.
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D is the answer
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