Datalogic Joya User Manual page 148

Glossary
RAM
Random Access memory. Data in RAM can be accessed in random
order, and quickly written and read.
Resolution
The narrowest element dimension which is distinguished by a
particular reading device or printed with a particular device or
method.
RF
Radio Frequency.
Scanner
An electronic device used to scan bar code symbols and produce a
digitized pattern that corresponds to the bars and spaces of the
symbol. Its three main components are:
• Light source (laser or photoelectric cell) - illuminates a bar
code.
• Photodetector - registers the difference in reflected light (more
light reflected from spaces).
• Signal conditioning circuit - transforms optical detector output
into a digitized bar pattern.
SDK
Software Development Kit.
Symbol
A scannable unit that encodes data within the conventions of a
certain symbology, usually including start/stop characters, quiet
zones, data characters and check characters.
142 JOYA™ TOUCH