How error detection and correction is done?(a) By passing it through equalizer(b) By passing it through filter(c) By amplifying it(d) By adding redundancy bitsI have been asked this question in final exam.This interesting question is from Error Detection and Correction 1 in division Error Detection & Channel Coding of Digital Communications

How error detection and correction is done?(a) By passing it through e

1.	How error detection and correction is done?(a) By passing it through equalizer(b) By passing it through filter(c) By amplifying it(d) By adding redundancy bitsI have been asked this question in final exam.This interesting question is from Error Detection and Correction 1 in division Error Detection & Channel Coding of Digital Communications
Answer» Right choice is (d) By adding REDUNDANCY BITS Easy explanation: Error can be detected and corrected by adding additional INFORMATION that is by adding redundancy bits.

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