Fujitsu 420D User Manual page 145

IrDA
Infrared Data Association. An organization
which produces standards for communication
using infrared as the carrier.
IRQ
Interrupt Request. An acronym for the hard-
ware signal to the CPU that an ext ernal event
has occurred which needs to be processed.
KB
Kilobyte.
Kilobyte
1,024 bytes (2 raised to the tenth power).
LAN
Local Area Network. An interconnection of
computers and peripherals within a single lim-
ited geographic location which can pass pro-
grams and data amongst themselves.
LBA
Logical Block Addressing. A method of locating
data stored on a disk.
A p p e n d i c e s
LCD
Liquid Crystal Display. A type of display which
makes images by controlling the orientation of
crystals in a crystalline liquid.
Lithium ion Battery
A type of rechargeable battery which is not sub-
ject to the memory eVect that Nickel Cadmium
batteries are and which have a high power-time
life for their size.
LPT Port
Line Printer Port.A way of referring to parallel
interface ports because historically line printers
were the first and latter the most common
device connected to parallel ports.
MB
Megabyte.
Megabyte
1,048,576 bytes (2 ra i s ed to the twen ti eth power ) .
Megahertz
1,000,000 cycles per second.
L i f e B o o k 4 0 0 S e r i e s f r o m F u j i t s u
Memory
A repository for data and applications which is
readily accessible to a computer CPU.
MHz
Megahertz.
MIDI
Musical Instrument Digital Interface.A stan-
dard communication protocol for exchange of
information between computers and sound
producers such as synthesizers.
Modem
A contraction for MOdulator-DEModulator.
The equipment which connects a computer or
other data terminal to a communication line.
Monaural
A system using one channel to process sound
from all sources.
MPU-401
A standard for MIDI interfaces and connectors.
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