Glossary
This glossary includes terms and definitions from:
v
The
American National Dictionary for Information
Systems
ANSI X3.172-1990, copyright 1990 by
the American National Standards Institute
(ANSI). Copies may be purchased from the
American National Standards Institute, 1430
Broadway, New York, New York 10018.
Definitions are identified by the symbol (A)
after the definition.
v
The
Information Technology Vocabulary
developed
by Subcommittee 1, Joint Technical Committee
1, of the International Organization for
Standardization and the International
Electrotechnical Committee (ISO/IEC
JTC1/SC1). Definitions of published parts of
this vocabulary are identified by the symbol (I)
after the definition; definitions taken from draft
international standards, committee drafts, and
working papers being developed by ISO/IEC
JTC1/SC1 are identified by the symbol (T) after
the definition, indicating that final agreement
has not yet been reached among participating
National Bodies of SC1.
ac.
Alternating current.
adapter card.
A smaller card that attaches to a full-size
card.
allocate.
To assign.
alternative console.
A display device assigned by the
operating system to function as the console if the
console is not working.
American National Standards Institute.
An
organization sponsored by the Computer and Business
Equipment Manufacturers Association for establishing
voluntary industry standards.
ANSI.
American National Standards Institute. An
organization sponsored by the Computer and Business
Equipment Manufacturers Association for establishing
voluntary industry standards.
APAR.
Authorized program analysis report. A request
for correction of a problem in a release of an
IBM-supplied program.
ASC.
Asynchronous.
ASP.
Auxiliary storage pool. A group of disk units
defined from the auxiliary storage devices. See also
system ASP
and
user ASP
.
authorized program analysis report.
A request for
correction of a problem in a release of an IBM-supplied
program.
auxiliary storage pool.
A group of disk units defined
from the auxiliary storage devices. See also
system ASP
and
user ASP
.
backplane.
A hardware part that has (in one or more
planes) logic paths, low-voltage distribution paths, and
grounding paths of a section of a machine.
basic assurance test.
An automatic testing of a
machine when the power is switched on.
BAT.
basic assurance test. An automatic testing of a
machine when the power is switched on.
battery power unit.
A source of electrical power that
can be used when the normal utility power fails.
BBBBCcbb.
Addressing scheme for the bus (BBBB),
card (Cc), and board (bb).
bring up.
The process of starting a computer system
or a subsystem that is to operate under the control of
the system.
BSC.
Bisynchronous.
card enclosure.
The area in the system unit that
contains the logic cards.
CCM.
Concurrent maintenance. The process of
removing or replacing hardware while the system is in
use.
CD.
Compact disk; an optical storage medium.
CFIOP.
Combined Function Input Output Processor.
concurrent maintenance.
The process of removing or
replacing hardware while the system is in use.
configure.
To describe to a system the devices,
optional features, and programs installed on the
system.
cryptography.
A method of transforming customer
data to conceal its meaning. Cryptographic services
include data encryption and message authentication.
DASD.
Direct access storage device. Also referred to
as disk unit.
dc.
Direct current.
debug.
To check, diagnose, and remove errors in
programs.
© Copyright IBM Corp. 2000, 2001
979
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