Pertaining to computer programs that remain on a particular storage device.

Terminates the Access network and the VDSLx or ADSLx network. Also, in most telco implementations includes a router, NAT function, and Network Management functions for both the WAN and the LAN.

Synonym undetected error ratio.

1. The ratio of (a) the number of bits, unit elements, characters, or blocks incorrectly received but undetected or uncorrected by the error-control equipment to (b) the total number of bits, unit elements, characters or blocks.
2. The error ratio that remains after attempts at correction are made.

Synonym carrier noise level.

[In security, the] portion of risk remaining after security measures have been applied. [INFOSEC-99]

Data left in storage after information processing operations are complete, but before degaussing or overwriting has taken place. [INFOSEC-99]

A network of resistors to which four branches of a circuit may be connected to make them conjugate in pairs.
Note: The primary use of a resistance hybrid is to convert between 2-wire and 4-wire communications circuits. Such conversion is necessary when repeaters are introduced in a 2-wire circuit.

Synonym resolving power.

Computer software that allows user programs to interface with domain name servers.
Note: The user program may be, for example, an FTP client. [2382-pt.35]