A cell identified by a standardized virtual path identifier (VPI) and virtual channel identifier (VCI) value, which has been generated and does not carry information from an application using the ATM Layer service. [T1.627-1993]

Exposure of information to individuals not authorized to receive it. [INFOSEC-99]

A expression of the degree to which a system, subsystem, or equipment is not operable and not in a committable state at the start of a mission, when the mission is called for at an unknown, i.e., random, time.
Note 1: The conditions determining operability and committability must be specified.
Note 2: Expressed mathematically, unavailability is 1 minus the availability.… (Read More →)

A transmission line, such as a coaxial cable, in which the magnitudes of the voltages on the two conductors are not equal with respect to ground.

A modulator in which the modulation factor is different for the alternate half-cycles of the carrier. Synonym asymmetrical modulator.

A circuit in which the two sides are inherently electrically dissimilar.

Synonym radiation mode.

In the context of the FCC's Computer III Inquiry, the process of separating individual tariffed offerings and services that are associated with a specific element in the CEI or ONA tariff from other tariffed basic service offerings. [After para.158, FCC Report and Order, June 16,
198
6. ]

Information that has not been determined pursuant to Executive Order (E. O. ) 12958 or any predecessor order to require protection against unauthorized disclosure and that is not designated as classified. [INFOSEC-99]

In computing, a condition occurring when a machine calculation produces a non-zero result that is smaller than the smallest non-zero quantity that the machine's storage unit is capable of storing or representing.