Dell PowerVault TL4000 - Manual (Page 283)

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 specified
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 certification
In cryptography, a certificate from a certificate 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 fitted 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.
centimeter (cm)
One one-hundredth of a meter (0.01 m). Approximately 0.39 inch.
channel command
An instruction that directs a data channel, control unit, or device to
perform an operation or set of operations.
char Character.
CHK Check.
cleaning cartridge
A tape cartridge that is used to clean the heads of a tape drive. Contrast
with data cartridge.
COD Capacity On Demand.
command
A control signal that initiates an action or the start of a sequence of actions.
compact disc (CD)
A disc, usually 4.75 inches in diameter, from which data is read optically
by using a laser.
Glossary I-3