Not wanting to spend the money on a dedicated power supply, he looked around ... a little finicky when not used in a computer, as [C] found, with voltage drops on the +12 line even when a load ...

A well-known property of switching mode power supplies (SMPS) like those used in any modern computer is that they’re more efficient at higher AC input voltages. Power supply efficiency at ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...