Wasp WPS100 Especificaciones descargar pdf (Pagina 455)

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101

Glossary-1

Glossary

Aperture The opening in an optical system defined by a lens or baffle that

establishes the field of view.

AIM The Automatic Identification Manufacturers Inc., a trade association.

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 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.

Baud Rate A measure of the data flow or number of signaling events occurring

per second. When one bit is the standard "event," this is a measure of

bits per second (bps). For example, a baud rate of 50 means

transmission of 50 bits of data per second.

Bit Binary digit. One bit is the basic unit of binary information. Generally,

eight consecutive bits compose one byte of data. The pattern of 0 and

1 values within the byte determines its meaning.

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Wasp WPS100 Especificaciones Pagina 455

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