Samsung NP470R5E Series User Manual

123Chapter 6AppendixDVD (Digital Versatile Disk)DVD was developed to replace CD (compact disk). Although theshape and size of the disc are the same as that of a CD, the capacityof a DVD is at least 4.7GB while the capacity of a CD is 600MB. DVDvideo is digital unlike VHS (analog) video and supports MPEG2compression and digital audio. To play a DVD, a DVD drive isrequired.FirewallA security system used to protect an internal network or intranetfrom external networks through an authentication procedure.HDMIThis is a digital video / audio interface specification that transmitsvideo and audio signals over a single cable.Hibernation ModeA power mode that saves all data in memory to the hard disk andturns the CPU and hard disk off. When canceling Hibernation Mode,all application programs that were running are restored to their laststate.IconThis refers to a small image that represents a file that users can use.IEEE802.XXThis is a set fo specifications developed by the 802 committee ofIEEE for the LAN connection method called XX.LAN (Local Area Network)A communications network connecting computers, printers andother devices within a local area such as within a building. A LANenables all connected devices to interact with other devices on thenetwork. The current LAN uses the Ethernet media access controlmethod developed in the early 1980s. To connect to an Ethernet, anetwork card called a LAN card, Ethernet card or network interfacecard is required. To exchange data between computers, a protocolis required besides the hardware equipment. Windows Vista usesTCP/IP as the default protocol.LCD (Liquid Crystal Display)There are Passive Matrix and Active Matrix LCD types. Thiscomputer uses the Active Matrix type LCD called a TFT LCD. Sincean LCD is implemented by transistors instead of a cathode-ray tubeunlike a CRT, its size can be slim. And because it does not blink, itreduces eye strain.Glossary

/ 126

Related manuals for Samsung NP470R5E Series