User Manual (Vista/Windows7)

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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.
Chargeable USB
This program enables supplying power to a specic
U
SB port when the system is in power saving mode,
hibernation mode or off.
Client
T
his 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
A
n administrative tool used to manage computer
devices. You can add or remove hardware or update a
device driver using the Device Manager.
Direct X
A
n 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
S
oftware 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.