availability

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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 ?
We believe that making our content available on iTunes results in incremental viewing opportunities and also furthers awareness of our programs and brands.
Arid-X and FHP4-X series available in press-mounted, beside-the-press and portable models with one or two hoppers.
Data are from Employment and Earnings and are available on the web site of the The U.
Up to $1,000,000 of the Title III appropriated IMET funding may remain available until expended.
One position is available in the Cancer Biology Group.
Specify the documents an organization must (1) make available for public inspection and (2) copy for individuals upon request--whether in writing or in person.
In Greater Danbury, more than 58 percent of the total available space is for sublease, which includes 214,218 square feet by Union Carbide at 39 Old Ridgebury Road and GE Capital Corporation's sublease of 53,970 square feet at East Ridge Executive Park.
The NPJH-8's shell is injection-molded with high-impact resistant polyethylene and is available in White, Scarlet, Blue, Yellow-Gold, Black, Maroon, Purple, Kelly and Orange.
Additionally, instructional materials will be available to teach PCA management skills to consumers and family members.
Items are shipped via UPS within seven to 10 working days; next-day and second-day air service available.
A variety of refractory compositions is available, including silica, alumina, magnesia, mullite, zircon, fireclay and alumina-chrome.

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