DEC 4000 Model 200 Operation Manual page 128

Default
A value or setting that in most cases is normal or expected.
Device
The general name for any entity connected to a system that is capable of
receiving, storing, or transmitting data.
Device name
The name by which a device or controller is identified within a system. You
use the device name to refer to that device when communicating with the
system.
Diagnostic program
A program that detects and identifies abnormal hardware operation.
The MicroVAX Diagnostic Monitor software contains several diagnostic
programs.
Disk
A flat circular plate with a coating on which data is stored magnetically in
concentric circles (tracks).
Disk drive
A device that contains a fixed disk or one or more diskettes. The drive
contains mechanical components that spin the disk or diskettes and move
the read/write heads that store and read information on the surface of the
disk or diskettes.
DSSI
Digital Storage Systems Interconnect (DSSI) is the technology used for
efficient management of integrated disk storage products. DSSI is a
member of the Digital Storage Architecture (DSA) product family.
EIA
Electronic Industries Association.
Error message
A message displayed by the system to indicate it has detected an error or
malfunction.
File
A collection of related information treated by the computer as a single item.
Glossary–4