Redundancy or redundant may refer to:
Language
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Redundancy (linguistics)
In linguistics, a redundancy is information that is expressed more than once.
Examples of redundancies include multiple agreement features in morphology, multiple features distinguishing phonemes in phonology, or the use of multiple words to e ...
, information that is expressed more than once
Engineering and computer science
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Data redundancy
In computer main memory, auxiliary storage and computer buses, data redundancy is the existence of data that is additional to the actual data and permits correction of errors in stored or transmitted data. The additional data can simply be a com ...
, database systems which have a field that is repeated in two or more tables
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Logic redundancy
Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure of arg ...
, a digital gate network containing circuitry that does not affect the static logic function
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Redundancy (engineering)
In engineering and systems theory, redundancy is the intentional duplication of critical components or functions of a system with the goal of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve a ...
, the duplication of critical components or functions of a system with the intention of increasing reliability
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Redundancy (information theory)
Redundancy or redundant may refer to:
Language
* Redundancy (linguistics), information that is expressed more than once
Engineering and computer science
* Data redundancy, database systems which have a field that is repeated in two or more tab ...
, the number of bits used to transmit a message minus the number of bits of actual information in the message
* Redundancy in
total quality management
Total quality management (TQM) is an organization-wide effort to "install and make a permanent climate where employees continuously improve their ability to provide on-demand products and services that customers will find of particular value." ...
, quality which exceeds the required quality level, creating unnecessarily high costs
* The same task executed by several different methods in a
user interface
In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine fro ...
Biology
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Codon redundancy
Degeneracy or redundancy of codons is the redundancy of the genetic code, exhibited as the multiplicity of three-base pair codon combinations that specify an amino acid. The degeneracy of the genetic code is what accounts for the existence of syno ...
, the redundancy of the genetic code exhibited as the multiplicity of three-codon combinations
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Cytokine redundancy Cytokine redundancy is a term in immunology referring to the phenomenon in which, and the ability of, multiple cytokines to exert similar actions. This phenomenon is largely due to multiple cytokines utilizing common receptor subunits and common int ...
, a term in immunology referring to the phenomenon in which, and the ability of, multiple cytokines to exert similar actions
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Gene redundancy
Gene redundancy is the existence of multiple genes in the genome of an organism that perform the same function. Gene redundancy can result from gene duplication. Such duplication events are responsible for many sets of paralogous genes. When an in ...
, the existence of several genes in the genome of an organism that perform the same role to some extent
As a proper name
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"Redundant" (song), 1997 song by American rock band Green Day
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''Redundant'' (play), 2001 drama by Leo Butler
Other uses
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Redundant church
A redundant church, now referred to as a closed church, is a church building that is no longer used for Christian worship. The term most frequently refers to former Anglican churches in the United Kingdom, but may also be used for disused churche ...
, no longer used for worship
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Redundancy in United Kingdom law
Redundancy in United Kingdom law concerns the rights of employees if they are dismissed for economic reasons in UK labour law.
Definition of redundancy
Section 139 of the Employment Rights Act 1996 defines the two situations in which a redundan ...
, dismissal for economic reasons
See also
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Voluntary redundancy
Voluntary redundancy (VR) is a financial incentive offered by an organisation to encourage employees to voluntarily resign, typically in downsizing or restructuring situations. The purpose is to avoid compulsory redundancies or layoffs.
Reasons
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, termination of employment by agreement between employee and employer
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