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Information theory

Coding theory
Study of the properties of codes and their fitness
Data compression
Process of encoding information using fewer bits than the original representation
Entropy (information theory)
Expected amount of information needed to specify the output of a stochastic data source
Error detection and correction
Techniques that enable reliable delivery of digital data over unreliable communication channels
Hamming code
Family of linear error-correcting codes
Information theory
Theory dealing with information
Reed–Solomon error correction
Error-correcting codes