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Glossary-2
VRC 6940 Product Reference Guide
Baud Rate
A measure for data transmission speed.
BIOS
Basic Input Output System. A collection of ROM-based code with a standard API used to
interface with standard PC hardware.
Bit
Binary digit. One bit is the basic unit of binary information. Generally, eight consecutive bits
compose one byte of data. The pattern of 0 and 1 values within the byte determines its
meaning.
Bits per Second (bps)
Number of bits transmitted or received per second.
BOOTP
Bootstrap protocol. A TCP/IP protocol that enables a VRC 6940, for example, to learn its IP
address from a centrally administered server. It does this by broadcasting a TCP/IP BOOTP
request message to the network. Boot servers on the network respond if configured to do so.
The terminal accepts and uses the first valid IP address that it receives and, optionally, other
network parameters.
Byte
On an addressable boundary, eight adjacent binary digits (0 and 1) combined in a pattern to
represent a specific character or numeric value. Bits are numbered from the right, 0 through
7, with bit 0 the low-order bit. One byte in memory can be used to store one ASCII character.
Data Communications Equipment (DCE)
A device such as a modem that is designed to attach directly to a DTE (Data Terminal
Equipment) device.
Data Terminal Equipment (DTE)
A device such as a terminal or printer that is designed to attach directly to a DCE (Data
Communications Equipment) device.
Decode
To recognize a bar code symbology (e.g., Codabar, Code 128, Code 3 of 9, UPC/EAN, etc.)
and analyze the content of the bar code scanned.