
Glossary-2
PDT 6100 Product Reference Guide
BIOS
Basic Input Output System. A collection of ROM-based code with
a standard API used to interface with standard PC hardware.
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.
Bits per Second (bps)
Bits transmitted or received.
BOOTP
Bootstrap protocol.
Byte
On an addressable boundary, eight adjacent binary digits (0 and
1) combined in a pattern to represent a specific character or
numeric value. Bits are numbered from the right, 0 through 7, with
bit 0 the low-order bit. One byte in memory can be used to store
one ASCII character.
Codabar
A discrete self-checking code with a character set consisting of
digits 0 to 9 and six additional characters: (- $ : / , +).
Code 128
A high density symbology which allows the controller to encode
all 128 ASCII characters without adding extra symbol elements.
Code 3 of 9 (Code 39)
A versatile and widely used alphanumeric bar code symbology
with a set of 43 character types, including all uppercase letters,
numerals from 0 to 9, and 7 special characters (- . / + % $ and
space). The code name is derived from the fact that 3 of 9 elements
representing a character are wide, while the remaining 6 are
narrow.
Code 93
An industrial symbology compatible with Code 39 but offering a
full character ASCII set and a higher coding density than Code 39.
Cradle
A cradle is used for charging the terminal battery and for
communicating with a host computer, and provides a storage
place for the terminal when not in use.
Data Communications
Equipment (DCE)
A device (such as a modem) which is designed to attach directly to
a DTE (Data Terminal Equipment) device.
Data Terminal Equipment
(DTE)
A device (such as a terminal or printer) which is designed to attach
directly to a DCE (Data Communications Equipment) device.
DCE
Refer to
Data Communications Equipment
.
Decode
To recognize a bar code symbology (e.g., Codabar, Code 128,
Code 3 of 9, UPC/EAN, etc.) and analyze the content of the bar
code scanned.
Summary of Contents for PDT 6100
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