Toshiba M500D User Manual page 201

default: Values or options selected by the processor, a controller, or a
program when you do not specify a setting. For example, a preset
value in a dialog box.
delete: To remove information. Examples are removing a line of text
from within a program or removing files from a disk or other storage
device. Synonymous with erase.
deselect: To remove highlighting from text, such as an item in a list or
menu, or to remove handles from graphical objects.
device: A component attached to the computer. Internal devices are
mounted on the chassis. External devices are connected to the
computer via a port.
device driver: A program that controls the operation of a specific device
such as the screen, CD-ROM drive, or printer. The operating system
loads many device drivers when you turn the computer on.
diagnostic tools: Tools used to help solve installation and configuration
problems. The Toshiba Server Setup Tool and System Setup Utility
are examples of diagnostic tools.
dialog box: (1) A box requesting information. Typically it contains a
combination of buttons, lists, and text-entry boxes. (2) A box
containing a message. It may tell you that a process has completed
successfully. Alternatively, it may be a warning that the computer
cannot do what you asked or that obeying your instructions may
destroy data. This second type of dialog box is also called a message
box.
digital: Data expressed in discrete numerical units according to a
predetermined code. In computing, data are expressed in binary
code—an electronic pulse or no pulse, either "on" or "off." Voice
and video, which usually originate in analog form, can be converted
to digital signals. Voice is converted using pulse code modulation
(PCM) to 64 Kbps.
digital signal processor (DSP): A chip designed for high-speed data
manipulation and widely used in communications and data control
applications. Sound boards use DSPs to handle various sound
formats and filters. Modems use DSPs to handle modulation
protocols.
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Glossary