Exam-style question
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What defines the primary difference between analogue and digital signals?.
- A.Analogue signals are continuous, while digital signals are discrete.
- B.Digital signals can vary continuously, while analogue signals cannot.
- C.Analogue signals require more bandwidth than digital signals.
- D.Digital signals are always more accurate than analogue signals.
Model answer
What a good answer should say
- Analogue signals are continuous, while digital signals are discrete.
Explanation
Why this works
The primary difference between analogue and digital signals is that analogue signals are continuous, allowing them to represent a range of values, whereas digital signals are discrete, representing data in distinct values. This distinction is crucial in determining the appropriate signal type for various applications, such as audio processing or data transmission.
Thus, understanding this difference helps in selecting the right signal for the intended use.
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