Epson Progression U12 - Manual (Page 194)

Default
Any value or setting choice that the computer or a program
makes when the user does not specify an alternative. A default
value stays in effect unless you override it temporarily by
changing the value or you reset the default value itself.
Device
A piece of equipment that is part of a computer system and
performs a specific task, such as a disk drive, a monitor, or a
printer.
Device driver
A file containing instructions that allow your computer to
recognize and communicate with a device. The device may be a
printer, monitor, or other type of device.
Diagnostics
See System diagnostics and Power-on diagnostics.
DIP switch
Dual Inline Package switch. A small rocker- or sliding-type
switch on the circuit board of a device that controls a particular
function.
Directory
A group of files stored in a particular area on a disk. A
directory listing shows the name, location, and size of the files
in the directory. A directory can contain both files and
subdirectories.
Glossary 7