Redundancy

Encyclopedia : R : RE : RED : Redundancy

Redundancy, in general terms, refers to the quality or state of being redundant, that is: exceeding what is necessary or normal; or duplication. This can have a negative connotation, especially in rhetoric: superfluous or repetitive; or a positive implication, especially in engineering: serving as a duplicate for preventing failure of an entire system.

The term redundancy is used, with variations on the above meanings, in the following fields:

Redundancy (user interfaces)
Database normalization, the elimination of redundancy in databases
Redundancy (engineering)
Data redundancy
Redundancy (information theory)
Redundancy (language)
Redundancy (law), a reason for dismissal of an employee in the United Kingdom
Redundancy (total quality management)

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