Exam-style question
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Explain the difference between analogue data and digital data. Include how the values in each type of data can change.
Model answer
What a good answer should say
- Analogue data can vary continuously, so it may take any value within a range.
- Digital data is represented using separate, distinct values, so it does not vary through every possible value in the same continuous way.
Explanation
Why this works
A complete answer identifies continuous variation as the defining feature of analogue data and distinct values as the defining feature of digital data.
Common mistake
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