Samsung np-q1ex User Manual page 189

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.
Firewall
A security system used to protect an
internal network or intranet from external
networks through an authentication
procedure.
Hibernation Mode
A power mode that saves all data in
memory to the hard disk and turns the
CPU and hard disk off. When canceling
Hibernation Mode, all application
programs that were running are restored
to their last state.
Icon
This refers to a small image that
represents a file that users can use.
LAN (Local Area Network)
A communications network connecting
computers, printers and other devices
within a local area such as within a
building. A LAN enables all connected
devices to interact with other devices
on the network. The current LAN uses
the Ethernet media access control
method developed in the early 1980s.
To connect to an Ethernet, a network
card called a LAN card, Ethernet card
or network interface card is required.
To exchange data between computers,
a protocol is required besides the
hardware equipment. Windows Vista
uses TCP/IP as the default protocol.
LCD (Liquid Crystal Display)
There are Passive Matrix and Active
Matrix LCD types. This computer uses
the Active Matrix type LCD called a TFT
LCD. Since an LCD is implemented by
transistors instead of a cathode-ray tube
unlike a CRT, its size can be slim. And
because it does not blink, it reduces eye
strain.
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