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GCSE Design and Technology · key term
An output device that converts a changing electrical audio signal into sound waves and can reproduce speech, music and other complex sounds.
Used by Edexcel
Specification 5.2.3 · Paper 1
Revise: Output DevicesBuzzers and loudspeakers produce sound, LEDs produce light, and motors produce movement. Choosing between them means considering what the user needs the product to do, not simply whether the component can be switched on.
Distinguish a buzzer’s simple warning tone from a loudspeaker’s ability to reproduce speech and music.
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