Users Guide

BOM or bill of materials
A list of specic types and amounts of direct materials that are expected to be used to produce a
specic job or quantity of output.
Border Gateway Protocol (BGP)
BGP is the core routing protocol of the Internet. It works by maintaining a table of IP networks or
'prexes' that designate network reachability among autonomous systems (AS).
BRMS
Backup Recovery and Media Services.
Browser
A client program that initiates requests to a web server and displays the information that the server
returns.
Buffer
A routine or storage that is used to compensate for a difference in rate of flow of data or time of
occurrence of events, when data is transferred from one device to another.
Bus
A facility for transferring data between several devices that are located between two end points, only
one device able to transmit at a specied moment.
byte
A string that consists of some bits (usually 8) that are treated as a unit and represent a character. A
fundamental data unit.
C
CA
Certicate Authority.
CA certication
In cryptography, a certicate from a certicate authority (CA).
Capacity
The amount of data that can be contained on storage media and expressed in bytes of data.
Cartridge manual rewind tool
A device that can be tted into the reel of a cartridge and used to rewind tape into or out of the
cartridge.
Cartridge memory (CM)
Within each data cartridge, an embedded electronics and interface module that can store and retrieve
a cartridge's historical usage and other information.
Cartridge storage slot
Individual slot that is located within a magazine that is used to house tape cartridges.
Caution (notice)
A word to call attention to possible personal harm to people. Contrast with attention and danger.
CD
Compact Disc. A disc, usually 4.75 inches in diameter, from which data is read optically by using a
laser.
Centimeter (cm)
One one-hundredth of a meter (0.01 m). Approximately 0.39 inches.
Channel command
An instruction that directs a data channel, control unit, or device to run an operation or set of
operations.
Char
Character.
CHK
Check.
Glossary
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