Glossary
The Glossary lists the terminologies used in this User Guide. For terminologies other than these, look in MeeGo™ Help.
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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 specific USB port when the system is in power saving mode, hibernation mode or off.
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.
DHCP (Dynamic Host Configuration Protocol)
This refers to automatically allocating IP addresses to the users on the network by the network administrators.
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.
D-sub (D-subminiature)
This is the cable connecting a general CRT monitor and the computer. Analog video is output through this cable.
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.