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Glossary
The Glossary lists the terminologies used in this User Guide.
For terminologies other than these, look in Windows Help.
Backup
A way to save the current data to restore
it later if necessary. A backup is a way to
restore computer data when the data or
computer is damaged.
Client
This refers to a computer that uses a
shared network resource provided by a
server.
DDR SDRAM (Double Data Rate
Synchronous Dynamic Random Access
Memory)
DRAM is a memory type whose cells
consist of a capacitor and transistor
manufactured at a low price. SDRAM is
a memory type whose performance has
been improved by synchronizing the clock
with the external CPU clock. DDR SDRAM
is a memory type whose performance has
been improved by doubling the operating
speed of the SDRAM and is widely used
nowadays. This computer uses DDR
SDRAM.
Device Manager
An administrative tool used to manage
computer devices. You can add or remove
hardware or update a device driver using
the Device Manager.
Direct X
An application interface developed to
enable Windows application programs
to access hardware devices at a very
high speed. Since the operating speed of
graphics, memory and sound cards must
be very fast to provide high quality video
and sound for games, Direct X enables
faster control and interaction between
applications and hardware devices. By
using Direct X, the multimedia performance
of Windows has been hugely improved.
Driver
Software that interacts between the
hardware and the operating system. An
operating system knows the hardware
information and controls the hardware.
In general, a driver is supplied with the
corresponding hardware device.
DVD (Digital Versatile Disk)
DVD was developed to replace CD
(compact disk). Although the shape and
size of the disc are the same as that of
a CD, the capacity of a DVD is at least
4.7GB while the capacity of a CD is
600MB. DVD video is digital unlike VHS
(analog) video and supports MPEG2
compression and digital audio. To play a
DVD, a DVD drive is required.
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