Which of the following is done to convert a continuous time signal into discrete time signal?(a) Modulating(b) Sampling(c) Differentiating(d) IntegratingI have been asked this question during an online exam.This intriguing question comes from Classification of Signals in portion DSP – Basic Signaling of Digital Signal Processing

Which of the following is done to convert a continuous time signal int

1.	Which of the following is done to convert a continuous time signal into discrete time signal?(a) Modulating(b) Sampling(c) Differentiating(d) IntegratingI have been asked this question during an online exam.This intriguing question comes from Classification of Signals in portion DSP – Basic Signaling of Digital Signal Processing
Answer» The correct answer is (b) Sampling For EXPLANATION I would say: A discrete time signal can be obtained from a continuous time signal by replacing t by NT, where T is the reciprocal of the sampling rate or time INTERVAL between the adjacent values. This PROCEDURE is known as sampling.

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