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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.