Redundant Array of Independent Disks

[A] set of publications that interpret Orange Book requirements for trusted systems. [INFOSEC-99]

Acronym for random access memory.

Synonym fiber amplifier.

The generation of many different wavelengths of light from a nominally single-wavelength source (a) by means of lasing action and interaction with molecules, thereby creating many different excited molecular energy levels that will produce photons of various energy levels, i.e., various wavelengths, when transitions to lower excited states occur and (b) by the beating together of two frequencies, thus inducing… (Read More →)

A communications technique in which radio users share one wide frequency band instead of each user's being assigned a narrow band.

A read/write, nonsequential-access memory used for the storage of instructions and data.
Note 1: RAM access time is essentially the same for all storage locations.
Note 2: RAM is characterized by a shorter access time than disk or tape storage.
Note 3: RAM is usually volatile.

Data that are (a) unpredictable and have no discernable pattern, or (b) satisfy certain mathematical criteria for statistical randomness.

Errors distributed over the signal in time so that they can be considered statistically independent from each other. [T1.226-1992]

Noise consisting of a large number of transient disturbances with a statistically random time distribution.
Note: Thermal noise is an example of random noise.