FUJITSU LIFEBOOK 990TX2 - Manual (Page 192)

A p p e n d i c e s
L i f e B o o k 9 0 0 S e r i e s f r o m F u j i t s u
183
DOS
Disk Operating System
( M S - DOS is a Mi c ro s oft Disk Opera ting Sys tem ) .
Driver
A computer program which converts applica-
tion and operating system commands to exter-
nal devices into the exact form required by a
specific brand and model of device in order
to produce the desired results from that
particular equipment.
DSVD
Digital Simultaneous Voice and Data –
A standard for sharing digital voice and data
over a single analog t elephone line.
DVD
Digital Versatile Disk - Originally known as
digital video disk,it is a compact disk and disk
drive system which uses an interchangeable
dual-lens system using lasers of two different
wavelengths and data storage on two layers of
the disk.Standard CD-ROMs are read with the
longer wavelength, DVD-ROMs with a shorter
wavelength.A DVD-ROM with two layers can
store up to 8.5GB per layer. When used with the
recommended MPEG-2 video compression the
video is full-screen,full-motion.
ECP
Extended Capability Port.A set of standards
for high speed data communication and inter-
connection between electronic devices.
ESD
Electro-Static Discharge. The sudden discharge
of electricity from a static charge which has
built-up slowly. Example: the shock you get
from a doorknob on a dry day or the sparks
you get from brushing hair on a dry day.
Extended Memory
All memory more than the 640KB recognized
by MS-DOS as system memory.
FCC
Federal Communication Commission.
Floppy Disk
A spinning platter of magnetic data storage
media which is highly flexible.
Floppy Disk Drive
The hardware which spins a highly flexible disk
of magnetic material and has the heads and
control circuitry for reading and writing the
data on the disk.
GB
Gigabyte.
Gigabyte
1,073,741,824 bytes
(2 raised to the thirtieth power).