Exam-style question
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A digital audio file is being played through equipment that produces an analogue audio signal. Which component is required for this conversion?.
- A.An ADC
- B.A DAC
- C.An analogue sensor
- D.A digital input sensor
Model answer
What a good answer should say
- A DAC
Explanation
Why this works
The digital audio signal must be converted into an analogue signal before it can be used as analogue audio output. This is the most common use of a DAC.
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