Service Control Function

1. A diagram, drawing, or sketch that details the elements of a system, such as the elements of an electrical circuit or the elements of a logic diagram for a computer or communications system.
2. Pertaining to a diagram, drawing, or sketch that details the elements of a system, such as the elements of an electrical circuit or the elements… (Read More →)

Service Capability Interaction Manager

In electromagnetic wave propagation, a small random fluctuation of the received field strength about its mean value.
Note: Scintillation effects become more significant as the frequency of the propagating wave increases.

A device that transposes or inverts signals or otherwise encodes a message at the transmitter to make the message unintelligible at a receiver not equipped with an appropriately set descrambling device.
Note: Scramblers usually use a fixed algorithm or mechanism. However, a scrambler provides communications privacy that is inadequate for classified traffic.

Temporary key storage in crypto-equipment. [INFOSEC-99]

Synonym bang.

1. In a telecommunications, computing, or data processing system, to examine entities that are being processed to determine their suitability for further processing.
2. A nonferrous metallic mesh used to provide electromagnetic shielding.
3. To reduce undesired electromagnetic signals and noise by enclosing devices in electrostatic or electromagnetic shields.
4. A viewing surface, such as that of a cathode ray… (Read More →)

In computers, the process or act by which the data currently displayed on a monitor, usually representing a single frame of information, are stored or processed in a graphical format.
Note: A screen capture thus represents an instantaneous "snapshot" of the state of the display.

A subnetwork that permits access from both untrusted external networks and from trusted internal networks, but does not permit traffic flow between the two. [2382-pt.35]