Symbol Technologies VRC 6940 - Manual (Page 106)

Glossary-3
Glossary
DOS
Disk Operating System. This is basic software that allows you to load and use software
applications on your computer. VRC 6940 terminals use a product called DR-DOS.
DR-DOS
Disk operating system software on VRC 6940 terminals. It is compatible with and extends
the industry-standard IBM PC-DOS, and provides access to a number of commercially
available programming tools.
EEPROM
Electrically Erasable Programmable Read-Only Memory. An on-board non-volatile memory
chip. See NVM.
ESS ID
Allows facilities using 802.11 protocol to limit which Access Points a VRC 6940 terminal can
communicate with. The terminal can only communicate with Spectrum24 Access Points that
have matching ESS IDs. See Spectrum24 documentation for further information.
File Transfer Protocol (FTP)
A TCP/IP application protocol governing file transfer via network. See TCP/IP.
Flash Disk
Non-volatile memory for storing application and configuration files.
Flow Control
The procedure for adjusting the flow of data from one device to another to ensure that the
receiving device can handle all of the incoming data.
FTP
See File Transfer Protocol.
HEX Image
A file format used for installing applications on the VRC 6940. The image may contain BIOS
information, applications, and instructions for transferring the applications.
Host
A computer that serves other terminals in a network, providing services such as network
control, database access, special programs, supervisory programs, or programming
languages.