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Reduction in the number of binary words required to represent an analog signal is called ________

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Reduction in the number of binary words required to represent an analog signal is called ________

(a) Undersampling

(b) Oversampling

(c) Data compression

(d) Data minimization

The question was asked in an international level competition.

Question is from Digital Signal Processing topic in section Digital Communication Techniques of Avionics

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Correct option is (c) Data compression

The best I can explain: Data compression is a process that reduces the number of binary words needed to represent a given analog signal. Since analog to digital conversion produces a huge amount of data, for transmission it is a necessity that data is compressed.

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