Glossary
application
A PTC program that is designed to perform a specific
task for the user. Examples include route accounting,
payroll, price lookup, shipping, and inventory control.
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.
bps
Bits per second.
byte
A group of eight bits that acts as a basic unit for
information transfer and storage.
CD
Carrier detect signal. CD indicates that the modem is
receiving a signal from the remote modem.
character
A letter, number, or symbol.
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.
data
communication
The transport of encoded information from one point
to another.
DATASPAN
Telxon’s spread spectrum radio.
DCE
Data communications equipment. A device that
controls and converts incoming data or
communication. For example, a modem.
display
The screen on the front of the PTC. It is used to show
data entered into the PTC and warning prompts.
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