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GCSE Design and Technology · key term
A signal supplied to a control system, for example by a push switch or sensor.
Used by Edexcel
Specification 1.7.2 · Paper 1
Revise: Switching OutputsA programmable product does not simply connect a switch to an output device. Its microcontroller reads an input, follows stored instructions and decides what output signal to produce. Changing the program can therefore change how the same product behaves.
Link your answer to a specific input condition, the decision made and the resulting output state.
An input test runs only when the program reaches it. Use a repeating loop when the product must keep responding.
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