Glossary - 2 Enter Book Name Here
Bar Width. Thickness of a bar measured from the edge closest to the symbol start character to the trailing edge of the
same bar.
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). Bits transmitted or received.
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.
bps. See Bits Per Second.
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 is used to store one ASCII character.
BOOTP. A protocol for remote booting of diskless devices. Assigns an IP address to a machine and may specify a boot
file. The client sends a bootp request as a broadcast to the bootp server port (67) and the bootp server responds
using the bootp client port (68). The bootp server must have a table of all devices, associated MAC addresses and
IP addresses.
boot or boot-up. The process a computer goes through when it starts. During boot-up, the computer can run
self-diagnostic tests and configure hardware and software.
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