# Information theory/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Information theory, or pages that link to Information theory or to this page or whose text contains "Information theory".*

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- Cipher [r]: A means of combining plaintext (of letters or numbers, or bits), using an algorithm that mathematically manipulates the individual elements of plaintext, into ciphertext, a form unintelligible to any recipient that does not know both the algorithm and a randomizing factor called a cryptographic key
^{[e]} - Claude Shannon [r]: (1916-2001) A theoretical mathematician and electrical engineer, one of the foundational researchers in computer and communications design.
^{[e]} - Communication [r]: The set of interactive processes that create shared meaning.
^{[e]} - Compression (disambiguation) [r]:
*Add brief definition or description* - Computer network [r]: A collection of computers or digital devices ("nodes") connected by communication links.
^{[e]} - Computer science [r]: The study of how computers work, and the algorithms, data structures and design principles used in their operation and programming.
^{[e]} - Cryptanalysis [r]: The sub-field of cryptology which deals with breaking into existing codes and ciphers.
^{[e]} - Cryptography [r]: A field at the intersection of mathematics and computer science that is concerned with the security of information, typically the confidentiality, integrity and authenticity of some message.
^{[e]} - Cryptology [r]: The theory and practice of protecting the content of communications, and of defeating the protective measures
^{[e]} - Electrical engineering [r]: The branch of engineering that deals primarily with electricity and electromagnetism.
^{[e]} - History of computing [r]: How electronic computers were first invented; how the technology underlying them evolved.
^{[e]} - James Clerk Maxwell [r]: (1831 – 1879) Scottish physicist best known for his formulation of electromagnetic theory and the statistical theory of gases.
^{[e]} - Library science [r]: The study of issues related to libraries and the information fields.
^{[e]} - MPEG-1 [r]: One of the earliest practical standards for high quality, low bitrate audio and video compression; includes the MP3 audio format.
^{[e]} - Mathematics [r]: The study of quantities, structures, their relations, and changes thereof.
^{[e]} - Philosophy of science [r]: Philosophical study of the assumptions, foundations, and implications of science.
^{[e]} - Psycholinguistics [r]: Study of the psychological and neurobiological factors that enable humans to acquire, use, comprehend and produce language.
^{[e]} - Signal processing [r]: Extraction of information from complex signals in the presence of noise, generally by conversion of the signals into digital form followed by analysis using various algorithms.
^{[e]} - Signal-to-noise ratio [r]: A dimensionless number expressing the proportion of useful signal in a communications channel, the remaining content being noise. The higher the ratio, the better the quality.
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