Toshiba Satellite L550D - Manual (Page 182)

Glossary-6 User’s Manual
L550/L550D/L555/L555D
device driver: A program (called a “driver”) that permits a computer to
communicate with a device.
dialog box: A window that accepts user input to make system settings or
record other information.
disable: To turn a computer option off. See also enable.
Digital Audio: An audio compression standard that enables high-quality
transmission and real-time playback of sound files.
disk drive: The device that randomly accesses information on a disk and
copies it to the computer’s memory. It also writes data from memory
to the disk. To accomplish these tasks, the unit physically rotates the
disk at high speed past a read-write head.
disk storage: Storing data on magnetic disk. Data is arranged on
concentric tracks much like a phonograph record.
display: A CRT, LCD, or other image producing device used to view
computer output.
documentation: The set of manuals and/or other instructions written for
the users of a computer system or application. Computer system
documentation typically includes procedural and tutorial information
as well as system functions.
double click: To press and release the pointing device’s primary button
rapidly twice without moving the pointing device. In the Windows ®
operating system, this refers to the pointing device’s left button,
unless otherwise stated.
driver: A software program, generally part of the operating system, that
controls a specific piece of hardware (frequently a peripheral device
such as a printer or mouse).
DVD: An individual digital versatile (or video) disc. See also DVD-ROM.
DVB-T (Digital Video Broadcasting - Terrestrial): Also known as
terrestrial digital TV. Digital TV broadcasting standard.
DVD-R (+R, -R): A Digital Versatile Disc Recordable disc can be written
once and read many times. The DVD-R drive uses a laser to read
data from the disc.
DVD-RAM: A Digital Versatile Disc-Random Access Memory is a high
capacity, high performance disc that lets you store large volumes of
data. The DVD-RAM drive uses a laser to read data from the disc.
DVD-R (Dual Layer): A disc having two layers on one side with the DVD-R
storage capacity about 1.8 times larger than before. The DVD-RW
drive uses a laser to read data from the disc.
DVD-ROM: A Digital Versatile Disc-Read Only Memory is a high capacity,
high performance disc suitable for play back of video and other high-
density files. The DVD-ROM drive uses a laser to read data from the
disc.
DVD-RW (+RW, -RW): A Digital Versatile Disc-ReWritable disc can be
rewritten many times.