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A limited amount of redundancy can improve the effectiveness of communication, either for the whole readership or at least to offer help to those readers who need it. A phonetic example of that principle is the need for spelling alphabets in radiotelephony. Some instances of RAS syndrome can be viewed as syntactic examples of the principle.
"Don't repeat yourself" (DRY), also known as "duplication is evil", is a principle of software development aimed at reducing repetition of information which is likely to change, replacing it with abstractions that are less likely to change, or using data normalization which avoids redundancy in the first place.
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 actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.
Data redundancy leads to data anomalies and corruption and generally should be avoided by design; [5] applying database normalization prevents redundancy and makes the best possible usage of storage. [ 6 ]
Who should come through the door but the very Manager who signed my redundancy. ‘ I was made redundant after 17 years with just the standard redundancy and no pension’ was his first sentence ...
A less severe form of involuntary termination is often referred to as a layoff (also redundancy or being made redundant in British English). A layoff is usually not strictly related to personal performance but instead due to economic cycles or the company's need to restructure itself, the firm itself going out of business, or a change in the function of the employer (for example, a certain ...
A former graphic designer has said taking redundancy was her last chance to do what she "never really had the courage" to do and set up her own dog grooming business.
The idea of incorporating redundancy in order to improve the reliability of a system was pioneered by John von Neumann in the 1950s. [24] Two kinds of redundancy are possible: [25] space redundancy and time redundancy. Space redundancy provides additional components, functions, or data items that are unnecessary for fault-free operation.