PSC LazerData Series 9000E, Installation And Operation Manual

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APPENDIX
APPENDIX-1
GLOSSARY OF TERMS
Alphanumeric Display - A display that presents the
alphabetic characters A thru Z as well as the numbers 0 thru
9.
Bar Code - An array of rectangular marks and spaces in a
predetermined pattern.
Bar Code Character - A single group of bars and spaces
which represent an individual number, letter, punctuation
mark or other symbol.
Baud - The signalling rate at which serial data
transmissions are sent. It is the switching speed, or number
of transitions (voltage or frequency changes) that are made
per second. Only at low speeds are bauds equal bits per
second; for example, 300 baud equals 300 bits per second
equals 30 characters per second.
Baud Rate - A redundant reference to baud, which is a rate.
See Baud.
Check Digit - A calculated character included in a barcode,
that is used for error detection.
Code Density - The number of characters per inch of length
that the bar code symbol contains.
Code Length - The number of characters contained in the
bar code symbol. Does not include start or stop patterns.