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A to D conversion process uses

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A to D conversion process uses

(a) Sampler

(b) Quantizer

(c) Sampler & Quantizer

(d) None of the mentioned

This question was posed to me during a job interview.

My doubt stems from Sampling and Quantization topic in chapter Formatting and Baseband Modulation of Digital Communications

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Best answer
Right option is (c) Sampler & Quantizer

To explain I would say: A to D conversion process requires both sampler and quantizer.

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