Motorola LI2208 Especificações descarregar pdf (Página 405)

GLOSSARY

Aperture. The opening in an optical system defined by a lens or baffle that establishes the field of view.

API. An interface by means of which one software component communicates with or controls another. Usually used to refer

to services provided by one software component to another, usually via software interrupts or function calls

Application Programming Interface. See API.

ASCII. American Standard Code for Information Interchange. A 7 bit-plus-parity code representing 128 letters, numerals,

punctuation marks and control characters. It is a standard data transmission code in the U.S.

Autodiscrimination. The ability of an interface controller to determine the code type of a scanned bar code. After this

determination is made, the information content is decoded.

Bar. The dark element in a printed bar code symbol.

Bar Code. A pattern of variable-width bars and spaces which represents numeric or alphanumeric data in machine-readable

form. The general format of a bar code symbol consists of a leading margin, start character, data or message character,

check character (if any), stop character, and trailing margin. Within this framework, each recognizable symbology uses

its own unique format. See Symbology.

Bar Code Density. The number of characters represented per unit of measurement (e.g., characters per inch).

Bar Height. The dimension of a bar measured perpendicular to the bar width.

Bar Width. Thickness of a bar measured from the edge closest to the symbol start character to the trailing edge of the same

bar.

BIOS. Basic Input Output System. A collection of ROM-based code with a standard API used to interface with standard PC

hardware.

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