Symbol Technologies DS6707 - Manual (Page 348)

Glossary - 4
Discrete 2 of 5. A binary bar code symbology representing each character by a group of five bars, two of which are
wide. The location of wide bars in the group determines which character is encoded; spaces are insignificant. Only
numeric characters (0 to 9) and START/STOP characters may be encoded.
DRAM. Dynamic random access memory.
DTE. See Data Terminal Equipment.
E
EAN. European Article Number. This European/International version of the UPC provides its own coding format and
symbology standards. Element dimensions are specified metrically. EAN is used primarily in retail.
Element. Generic term for a bar or space.
Encoded Area. Total linear dimension occupied by all characters of a code pattern, including start/stop characters and
data.
ENQ (RS-232). ENQ software handshaking is also supported for the data sent to the host.
ESD. Electro-Static Discharge
F
Flash Disk. An additional megabyte of non-volatile memory for storing application and configuration files.
Flash Memory. Flash memory is nonvolatile, semi-permanent storage that can be electronically erased in the circuit
and reprogrammed. Series 9000 mobile computers use Flash memory to store the operating system (ROM-DOS),
the terminal emulators, and the Citrix ICA Client for DOS.
File Transfer Protocol (FTP). A TCP/IP application protocol governing file transfer via network or telephone lines. See
TCP/IP.
FTP. See File Transfer Protocol.
Flash Memory. Flash memory is responsible for storing the system firmware and is non-volatile. If the system power is
interrupted the data is not be lost.
H
Hard Reset. See Cold Boot.
Hz. Hertz; A unit of frequency equal to one cycle per second.