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Glossary, IBM Dictionary of, Computing

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Title: C79EPMST CreationDate: 06/22/98 12:00:09 Glossary This glossary includes terms and definitions from the IBM Dictionary of Computing (New York: McGraw-Hill, 1994). ac. Alternating current. ac power. Power that is supplied to the computer through an electrical outlet. ANSI. American National Standards Institute. applications, a form of graphics in an area of computer memory or storage that can be displayed as an image. boot. To prepare a computer system for operation by loading an operating system. bps. Bits per second. In serial transmission, the instantaneous bit speed with which a device or channel transmits a character. APM. Advanced Power Management. application program. A program that performs specific tasks on your computer, such as word processing or the creation of spreadsheets. ASCII. American National Standard Code for Information Interchange. ATA PC Card. A PC Card with an AT attachment hard disk drive interface, such as a storage device PC Card. AUTOEXEC.BAT. A file that contains a startup procedure of DOS. Each time you start your system, DOS performs the commands that are stored in this file. bus. A facility for transferring data between several devices located between two end points, only one device being able to transmit at a given moment. cache memory. A special memory, smaller and faster than main memory, that is used to hold a copy of instructions and data in main memory that are likely to be needed next by the processor, and that have been obtained automatically from main memory. CD-i. Compact disc-interactive. combination keys. Keys that have specific functions when you hold them down at the same time. backup copy. A copy, usually of a file or group of files, that is kept in case the original file or files are unintentionally changed or destroyed. BIOS (Basic Input/Output System). Microcode that contains such basic hardware operations as interactions with diskette drives, hard disk drives, and the keyboard. bitmap graphics. (1) A form of graphics in which all points on the display are directly addressable. (2) In multimedia CONFIG.SYS. A file that contains a group of commands to load installable device drivers and reserve space in system memory for information processing. This file is referred to by DOS during system startup. configuration. (1) The manner in which the hardware and software of an information processing system are organized and interconnected. (2) The physical and logical arrangement of devices and programs that make up a data processing system. (3) The devices Copyright IBM Corp. 1998 169

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Glossary
This glossary includes terms and
definitions from the
IBM Dictionary of
Computing
(New York: McGraw-Hill,
1994).
ac
.
Alternating current.
ac power
.
Power that is supplied to the
computer through an electrical outlet.
ANSI
.
American National Standards
Institute.
APM
.
Advanced Power Management.
application program
.
A program that
performs specific tasks on your
computer, such as word processing or
the creation of spreadsheets.
ASCII
.
American National Standard
Code for Information Interchange.
ATA PC Card
.
A PC Card with an AT
attachment hard disk drive interface,
such as a storage device PC Card.
AUTOEXEC.BAT
.
A file that contains a
startup procedure of DOS.
Each time
you start your system, DOS performs the
commands that are stored in this file.
backup copy
.
A copy, usually of a file
or group of files, that is kept in case the
original file or files are unintentionally
changed or destroyed.
BIOS (Basic Input/Output System)
.
Microcode that contains such basic
hardware operations as interactions with
diskette drives, hard disk drives, and the
keyboard.
bitmap graphics
.
(1) A form of graphics
in which all points on the display are
directly addressable.
(2) In multimedia
applications, a form of graphics in an
area of computer memory or storage that
can be displayed as an image.
boot
.
To prepare a computer system for
operation by loading an operating
system.
bps
.
Bits per second.
In serial
transmission, the instantaneous bit speed
with which a device or channel transmits
a character.
bus
.
A facility for transferring data
between several devices located between
two end points, only one device being
able to transmit at a given moment.
cache memory
.
A special memory,
smaller and faster than main memory,
that is used to hold a copy of instructions
and data in main memory that are likely
to be needed next by the processor, and
that have been obtained automatically
from main memory.
CD-i
.
Compact disc-interactive.
combination keys
.
Keys that have
specific functions when you hold them
down at the same time.
CONFIG.SYS
.
A file that contains a
group of commands to load installable
device drivers and reserve space in
system memory for information
processing.
This file is referred to by
DOS during system startup.
configuration
.
(1) The manner in which
the hardware and software of an
information processing system are
organized and interconnected.
(2) The
physical and logical arrangement of
devices and programs that make up a
data processing system.
(3) The devices
Copyright IBM Corp. 1998
169
Title: C79EPMST CreationDate: 06/22/98 12:00:09