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Glossary – Wasp Bar Code WPS100 User Manual

Page 455

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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.