A+ Question of the Week: PC Power Supply

AplusQOW2Which of the following is not a primary consideration when replacing power supplies in desktop computer systems?

A. The motherboard connector type
B. Device-connector types and quantities
C. The wattage rating
D. The output voltage selector switch setting

The correct answer is D.

The only voltage selector switch you might encounter is the AC input switch. The output of the power supply is always the same standard selection of five DC voltages: +/-12 VDC, +/-5 VDC, and +3.3 VDC.

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