Question

necessity of error detection and correction code​

Answer 1

A code with minimum Hamming distance, d, can detect up to d − 1 errors in a code word. Using minimum-distance-based error-correcting codes for error detection can be suitable if a strict limit on the minimum number of errors to be detected is desired. ... The parity bit is an example of a single-error-detecting code.

Error-detecting codes are a sequence of numbers generated by specific procedures for detecting errors in data that has been transmitted over computer networks. When bits are transmitted over the computer network, they are subject to get corrupted due to interference and network problems.

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