Why can most household appliances run off AC but things like phones and computers require DC?

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Just wondering cus like wouldn’t it be more convenient to just plug your phone into the wall without a brick, or like cheaper to build a pc without a power supply? why do these devices need DC but lamps, fridges, fans, most household appliances can run off AC?

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Anonymous 0 Comments

Phone’s would run on dc for the battery anyway circuit board’s require small voltage and have internal battery to store things like time ect so it makes sense to run on dc

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