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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
2:1 compression
A
A
ac
access method
adapter card
adj
AIX
alphanumeric
alter
ambient temperature
ampere (A)
ANSI
archive
ASCII American National Standard Code for Information Interchange. A 7 bit
assigning a device
assignment
© Copyright IBM Corp. 2007
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, twice as much data can be stored with
compression as can be stored without compression.
Ampere.
Alternating current.
A technique for moving data between main storage and input or output
devices.
A circuit board that adds function to a computer.
Adjustment.
Advanced Interactive Executive. IBM's implementation of the UNIX
operating system. The RS/6000 system, among others, uses AIX as it's
operating system.
Pertaining to a character set that contains letters, numerals, and usually
other characters, such as punctuation marks.
To change.
The temperature of air or other media in a designated area, particularly the
area surrounding equipment.
A unit of measure for electric current that is equivalent to a flow of one
coulomb per second, or to the current produced by one volt applied across
a resistance of one ohm.
American National Standards Institute.
To collect and store files in a designated place.
coded character set (8 bits including parity check) that consists of control
characters and graphic characters.
The establishing of the relationship of a device to a running task, process,
job, or program.
The naming of a specific device to perform a function.
®
G-1
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