Datalogic Matrix 120 Product Reference Manual page 184

GLOSSARY
Matrix Symbologies (2D Codes)
An arrangement of regular polygon shaped cells where the center-to-center distance of
adjacent elements is uniform. Matrix symbols may include recognition patterns which
do not follow the same rules as the other elements within the symbol.
Multi-row (or Stacked) Symbologies
Symbologies where a long symbol is broken into sections and stacked one upon another
similar to sentences in a paragraph.
RAM
Random Access Memory. Data in RAM can be accessed in random order, and quickly
written and read.
Symbol Verification
The act of processing a code to determine whether or not it meets specific require-
ments.
Transmission Control Protocol/Internet Protocol (TCP/IP)
A suite of standard network protocols that were originally used in UNIX environments
but are now used in many others. The TCP governs sequenced data; the IP governs
packet forwarding. TCP/IP is the primary protocol that defines the Internet.
170 MATRIX 120™