Dell PowerVault TL4000 - Manual (Page 285)

degausser
A device that makes magnetic tape nonmagnetic.
degradation
A decrease in quality of output or throughput or an increase in machine
error rate.
degraded
Decreased in quality of output or throughput or increased machine error
rate.
deserialize
To change from serial-by-bit to parallel-by-byte.
detented
A part that is held in position with a catch or lever.
device Any hardware component or peripheral device, such as a tape drive or
tape library, that can receive and send data.
device driver
A file that contains the code that is needed to use an attached device.
DHCPv6
The Dynamic Host Configuration Protocol for IPv6. Although IPv6's
stateless address autoconfiguration removes the primary motivation for
DHCP in IPv4, DHCPv6 can still be used to statefully assign addresses if
the network administrator wants more control over addressing.
DH group
Diffie-Hellman group.
DIAG
Diagnostic section of maintenance information manual.
differential
See High Voltage Differential (HVD).
direct access storage
A storage device in which the access time is independent of the location of
the data.
display contrast
The brightness of the display on the Operator Panel.
DLL Dynamic Link Library. The Microsoft implementation of the shared library
concept. These libraries usually have the file extension dll, ocs (for libraries
that contain activeX controls, or drv (for legacy system drivers).
DNS Directory Name System. This allows the library to recognize text-based
addresses instead of numeric IP addresses.
download
To transfer programs or data from a computer to a connected device,
typically a personal computer.
To transfer data from a computer to a connected device, such as a
workstation or personal computer.
DPF Data Path Failover.
DRAM
Dynamic random-access memory.
Glossary I-5