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availability

[ə‚vāl·ə′bil·ə·dē]
(computer science)
Of data, data channels, and input-output devices in computers, the condition of being ready for use and not immediately committed to other tasks.
(navigation)
The probability that a navigational system will function and provide required levels of accuracy, integrity, and continuity.
(physics)
The difference between the enthalpy per unit mass of substance and the product of entropy per unit mass multiplied by the lowest temperature available to the substance for heat discard; used in determining the ratio of actual work performed during a process by a working substance to that which theoretically should have been performed.
(systems engineering)
The probability that a system is operating satisfactorily at any point in time, excluding times when the system is under repair.

availability

(system)
The degree to which a system suffers degradation or interruption in its service to the customer as a consequence of failures of one or more of its parts.

One of the components of RAS.

availability

The accessibility of a system resource in a timely manner; for example, the measurement of a system's uptime. Availability is one of the six fundamental components of information security (see Parkerian Hexad). See also uptime and high availability.
References in periodicals archive ?
Aquaboost floating waterproof speaker available for $9.99, Original price $299
Worx Versacut mini circular saw pounds 133.48, available from B&Q
All compounding systems available with complete process feed systems for weigh blending or starve feeding, melt filtration, product forming systems and process control systems for complete line control.
Unique Considerations for State Individual Tax Returns, available at http://tax.aicpa.org/NR/rdonlyres/ 7E77EA34-42C9-40DE-8112-3AE87172AB30/0/ 1603UniqueStateIndividualPracGd2005.pdf
Available from http://www.osha.gov/ dsg/guidance/avian-flu.html
Available: http://www.hesiglobal.org [accessed 3 October 2005].
The problem then becomes the options available for disaster recovery planning.
Black & White Vase pounds 7 Available from Au Naturale
Another book available to help build a collection is The African-American Bookshelf: 50 Must-Reads From Before the Civil War Through Today by Clifford Mason (Citadel, January 2003, $22.95, ISBN 0-806-52204-6).
LC data was available online even before LOCIS, but when LC opened up LOCIS to Internet users, it went well beyond descriptive agency information or agency-specific databases.
The Escofet BS3 bench (507) made from reinforced cast stone is available in granite, grey or beige and incorporates three stainless-steel bands which not only articulate the bench's composition, but also serve to deter skateboarders.
Further information is available from Bill Gaspar (847) 742-7840.

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