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A student wrote that quantization converts digital signals back to analog. What is the error in this statement?

medium📝 Analysis Q6 of 15
Intro to Computing - How Data is Represented
A student wrote that quantization converts digital signals back to analog. What is the error in this statement?
AQuantization converts analog signals to digital, not the reverse
BQuantization compresses digital signals
CQuantization removes noise from analog signals
DQuantization is the same as sampling
Step-by-Step Solution
Solution:
  1. Step 1: Understand quantization's role

    Quantization assigns discrete digital values to sampled analog signals; it does not convert digital back to analog.
  2. Step 2: Identify the incorrect claim

    The statement wrongly claims quantization converts digital to analog, which is false; that is done by Digital-to-Analog Conversion.
  3. Final Answer:

    Quantization converts analog signals to digital, not the reverse -> Option A
  4. Quick Check:

    Quantization = analog to digital value assignment [OK]
Quick Trick: Quantization assigns digital values to analog samples [OK]
Common Mistakes:
  • Confusing quantization with DAC
  • Thinking quantization compresses data
  • Mixing quantization with sampling

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