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Electrical device. Electric (al) devices are devices that functionally rely on electric energy (AC or DC) to operate their core parts (electric motors, transformers, lighting, rechargeable batteries, control electronics). They can be contrasted with traditional mechanical devices which depend on different power sources like fuels or human ...
Electronics - Wikipedia ... Electronics
Electrical engineering
Electronic circuit
Analog computer - Wikipedia ... Analog computer
Digital electronics
Power supply unit (computer)
Computer hardware