Factors indication of sample & hold circuit in the process of analog-to-digital conversion

Q.  Which factors indicate the necessity of sample and hold circuit in the process of analog-to-digital conversion?
- Published on 12 Nov 15

a. Instantaneous variation in an input signal
b. Analog-to-digital conversion time
c. Both a & b
d. None of the above

ANSWER: Both a & b

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