Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes :
None of the above
A complete data acquisition chain senses the physical quantity, amplifies and conditions (filters) the signal, then samples, quantises and encodes it.
Sensing, conversion, amplification, conditioning and quantisation are all used, so none of the listed steps can be dropped.
Every code that excludes some of these steps therefore fails.
Hence, None of the above.
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