G
lossary
alphanumeric
Describes a character set that contains letters,
numbers, and symbols such as punctuation
marks.
application
A PC, mainframe, or PTC program that is
designed to perform a specific task for a user.
Examples include route accounting, payroll,
price lookup, shipping, and inventory control.
autodiscriminate
The PTC’s ability to automatically recognize
and read more than one type of bar code.
bar code
A series of vertical bars and spaces used to encode
numeric or alphanumeric information. Bar codes
are designed to be read by electronic means such
as bar-code readers or laser scanners.
bar-code scanner
An electrical device that recognizes and deci-
phers bar-code labels. When the reader passes
over the bar code, it converts the bar code into
electronic signals representing data. The PTC
can then enter this data into files in its memory.
CD
Carrier detect signal. CD indicates that the
modem is receiving a signal from the remote
modem.
character
A letter, number, or symbol.
cloning
The process of copying a program or data files
from one PTC directly to another.
CTS
Clear-to-send signal. CTS indicates that the
line between a modem and a terminal device is
clear for transmission. CTS typically follows a
raised request-to-send (RTS) signal.
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