Fujitsu 690Tx User Manual page 184

A p p e n d i c e s
IDE
Intelligent Drive Electronics.A type of control
interface for a hard disk drive which is inside
the hard disk drive unit.
Impedance
The amount of resistance to the flow of electric
current.
Infrared
Light just beyond the red portion of the visible
light spectrum which is invisible to humans.
IR
An abbreviation for infrared.
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.
176
KB
Kilobyte.
Kilobyte
1,024 bytes (2 raised to the tenth power).
K56flex Modem
The modem protocol co-authored by Lucent
and Rockwell that enables high speed internet
downloads over standard telephone lines.
Traditional modems assume that both ends
of a modem communication have an analog
connection to the public switched telephone
network.K56flex takes advantage of the situa-
tion with one end o f the communication
being a high speed digital connection.
LAN
Local Area Network. An interconnection of
computers and peripherals within a single
limited geographic location which can pass
programs and data amongst themselves.
LBA
Logical Block Addressing. A method of locating
data stored on a disk.
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 effect 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.