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Output
Part of system perceived by users.
Lamps
Devices that emit light using electric current.
Filament
Thin wire, usually tungsten, in lamps.
Inert Gas
Gas that prevents filament oxidation in bulbs.
Heat Emission
Lamps produce significant heat alongside light.
Energy Efficiency
Measure of output energy versus input energy.
Light Emitting Diodes (LEDs)
Energy-efficient lighting alternative to traditional lamps.
Buzzers
Devices producing sound, used in alarms and timers.
Loudspeakers
Convert electrical signals into audible sound.
Electromechanical Buzzers
Buzzers using mechanical movement to generate sound.
Piezoelectric Buzzers
Buzzers using piezoelectric effect for sound production.