Exam-style question
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What is the primary purpose of an analogue-to-digital converter (ADC)?.
- A.To convert a digital signal into an analogue signal
- B.To convert an analogue signal into a digital representation
- C.To store an analogue signal permanently
- D.To amplify a digital signal
Model answer
What a good answer should say
- To convert an analogue signal into a digital representation
Explanation
Why this works
An ADC takes an analogue signal, such as the output from an analogue sensor, and represents it digitally so that a computer can process it.
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