Dell PowerVault 100T DAT72 User's Guide - Page 83

Glossary, 5:1 compression, ampere, ampere A., adapter., adapter card., backups., backward compatible.

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Glossary This glossary defines the special terms, abbreviations, and acronyms that are used in this publication. If you do not find the term you are looking for, refer to the index or to the Dictionary of Computing, 1994. Numbers 2.5:1 compression The relationship between the quantity of data that can be stored with compression as compared to the quantity of data that can be stored without compression. 2:1 compression The relationship between the quantity of data that can be stored with compression as compared to the quantity of data that can be stored without compression. In 2:1 compression, two and a half times as much data can be stored with compression as can be stored without compression. A A. See ampere. ampere (A). A unit of measure for electric current that is equivalent to a flow of one coulomb per second, or equivalent to the current produced by one volt applied across a resistance of one ohm. adapter. A circuit board that adds function to a computer. adapter card. A circuit board that adds function to a computer. B backups. The short-term retention of records used for restoring essential business and server files when vital data has been lost because of program or server errors or malfunctions. backward compatible. Capable of being used with a previous product that was designed for a similar purpose. For example, a tape cartridge that is designed to be used with a modern tape drive but can also be used with certain older tape drives. Synonymous with downward compatible. bezel. The removable frame that fits over the front of the tape drive. burst data transfer rate. The maximum speed at which data is transferred. byte. A string that consists of a certain number of bits (usually 8) which are treated as a unit and represent a character. A byte is a fundamental unit of data. C C. See Celsius. B-1

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Glossary
This glossary defines the special terms, abbreviations, and acronyms that are used
in this publication. If you do not find the term you are looking for, refer to the
index or to the
Dictionary of Computing,
1994.
Numbers
2.5:1 compression
The relationship between the quantity of data that can be stored with
compression as compared to the quantity of data that can be stored
without compression.
2:1 compression
The relationship between the quantity of data that can be stored with
compression as compared to the quantity of data that can be stored
without compression. In 2:1 compression, two and a half times as much
data can be stored with compression as can be stored without compression.
A
A.
See
ampere
.
ampere (A).
A unit of measure for electric current that is equivalent to a flow of one
coulomb per second, or equivalent to the current produced by one volt
applied across a resistance of one ohm.
adapter.
A circuit board that adds function to a computer.
adapter card.
A circuit board that adds function to a computer.
B
backups.
The short-term retention of records used for restoring essential business
and server files when vital data has been lost because of program or server
errors or malfunctions.
backward compatible.
Capable of being used with a previous product that was designed for a
similar purpose. For example, a tape cartridge that is designed to be used
with a modern tape drive but can also be used with certain older tape
drives. Synonymous with
downward compatible
.
bezel.
The removable frame that fits over the front of the tape drive.
burst data transfer rate.
The maximum speed at which data is transferred.
byte.
A string that consists of a certain number of bits (usually 8) which are
treated as a unit and represent a character. A byte is a fundamental unit of
data.
C
C.
See
Celsius
.
B-1