Which method requires less redundancy?(a) Error detection(b) Error correction(c) Error detection & correction(d) None of the mentionedI have been asked this question in an interview for job.I need to ask this question from Link Budget Analysis and Error Control topic in section Communication Link Analysis of Digital Communications

Which method requires less redundancy?(a) Error detection(b) Error cor

1.	Which method requires less redundancy?(a) Error detection(b) Error correction(c) Error detection & correction(d) None of the mentionedI have been asked this question in an interview for job.I need to ask this question from Link Budget Analysis and Error Control topic in section Communication Link Analysis of Digital Communications
Answer» The correct answer is (a) Error DETECTION Explanation: Error detection requires much simpler DECODING equipment and much LESS REDUNDANCY than error correction.

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