1. In facsimile, the mode of scanning lines across the shorter dimension of a rectangular original.
Note: CCITT Group 1, 2, and 3 facsimile machines use portrait mode.
2. In computer graphics, the orientation of an image in which the shorter dimension of the image is horizontal.
3. An orientation of printed text on a page such that the lines… (Read More →)

Point of Sale

In integrated services digital networks (ISDN), a channel that occupies dedicated bit positions in the framed data stream.
Note: Examples of positioned channels are the B, H, and D channels.

Within a framed interface, a structure in which positioned channels provide all services and signaling.

Synonym seek time.

[A] generic term referring to a sealed authenticator system, permissive action link, coded switch system, positive enable system, or nuclear command and control documents, material, or devices. [INFOSEC-99]

Synonym regeneration.

Synonym bit stuffing.

Acronym for portable operating system interface for computer environments. A Federal Information Processing Standard Publication (FIPS PUB 151-1) for a vendor-independent interface between an operating system and an application program, including operating system interfaces and source code functions.
Note: IEEE Standard
100
3. 1-1988 was adopted by reference and published as FIPS PUB 151-1.

The Open System Environment in which the standards included are not in conflict with ISO/IEC 9945 and are: - International Standards and Profiles (developed by ISO, IEC, or CCITT) - Regional Standards and Profiles (developed by a group recognized as an official standards body by a regional governmental entity, such as the European Community) - National Information Technology Standards and… (Read More →)