IBM 240 manual Glossary, 151

Glossary

This glossary includes terms and

batchdefi.-

A

process method in which a

nitions

from

IBMthe

Dictionary of Comprogram-

or programs records

with

little

or

puting

(New

York:

McGraw-Hill,

1994) no

operator

action.

ac

(AC) .

Alternating

current.

bay .

The

ThinkPad

240

compartment

ac

power

for

installing

device

modules.

.

Power

that

is

supplied

to

the

computer

through

an

electrical outletBIOS (Basic.

Input/Output

System)

.

Advanced

Power

Management

(APM)

.

Microcode

that contains such basic hard-

ware

operations

as

interactions

with

A facility

consisting

of

one

or

more

layers

hard

disk

drives,

and

the

diskette

drives,

of

software

that

support

power

manage-

keyboard.

ment in

computers

with

power

manage-

able

hardware.

The

APM

software bitmap

graphics

.

(1)

A

form

of

graphics

interface

allows

applications, operatingwhich all points on the display are

systems,

device

drivers, and thedirectlyAPM

addressable,

(2)

In

multimedia

BIOS to work together to reduceapplications,power

a form of graphics in an

consumption, without reducing systemarea of computer memory or storage that

performance.

can

be displayed as an image.

ANSI .

American

National

Standards

boot .

To prepare a computer system for

Institute.

operation by loading an operating

APM .

Advanced

Power

Management.

system.

application

program

bps .

Bits

per

second.

In

serial

trans-

.

A

program

thatmission,

the

instantaneous

bit

speed

with

performs specific tasks on your whichcom-

a device or channel transmits a

puter,

such

as

word

processing

or

cre-

ating

spreadsheets.

character.

ASCII .

American

National

Standard

bus . A facility for transferring data

between

several

devices

located

between

Code

for

Information

Interchange.

end

points, only one device being

two

ATA

PC

Card .

able

to

transmit

at

a

given

moment.

A

PC

Card

with

an

AT

attachment

hard

disk

drive

interface

such

.

A

special

memory,

as

a

storage

device

PC

Card.

cache

memory

smaller

and

faster

than

main

memory,

AUTOEXEC.BAT

that

is

used

to

hold

a

copy

of

instructions

.

A

file

that

contains

a

in

main

memory

that

is

likely

to

and

data

startup

procedure

of

DOS.

Each

time

you

be

needed next by the processor, and

start

your

system,

DOS

performs

the

that have been obtained automatically

commands

that

are

stored

in

this

file.

memory.

from

main

backup

copy

.

A

copy,

usually

of

CD

a

.

file

disc.

Compact

or group of files, that is kept in

case

the

original

file

or

files

are

unintentionally

disc-interactive.

changed

or

destroyed.

CD-I .

Compact

 Copyright IBM Corporation 1999 151