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 ?
Availabilities in Greenwich fell in the first quarter from 17.8 percent to 15.4 percent, as rental rates climbed from $42.94 to $44.09.
11, companies feverishly sought to offset costs by releasing surplus space, flooding the market with availabilities at time when demand was extremely low By midyear 2002, sublease space had grown to 18% of the county's total availability.
Cendant's 75,000 SF at 707 Summer St., Elizabeth Arden's 65,730 SF at 200 First Stamford Place, Reuters' 44, 720 SF at Two Stamford Place, EIS International's 34,810 SF at 1351 Washington Boulevard, and Great Brands of Europe's 33,000 SF at 208 Harbor Drive were among the largest of these new availabilities.
In stark contrast, Westchester County figures showed availabilities continuing to spiral downward, especially in the White Plains CBD.
Launched in New York in May of 1999, the Silicon Alley firm, is achieving strong results from brokers and landlords listing their smaller availabilities and the prospective tenants who have small space needs.
While this negative absorption indicates that the market is still affected by the Greenwich, Norwalk and Shelton availabilities, it also proves that the fundamental strength of the county can overcome events that could have triggered a significant setback in another market.