Exam-style question
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What is the primary purpose of a digital-to-analogue converter (DAC)?.
- A.To convert an analogue signal into binary data
- B.To convert a digital signal into an analogue signal
- C.To measure an analogue sensor directly
- D.To remove all data from a digital signal
Model answer
What a good answer should say
- To convert a digital signal into an analogue signal
Explanation
Why this works
A DAC converts digital values into a corresponding analogue signal. A common use is converting digital audio into an analogue signal for output.
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