Glossary
Quantum LTO-9 HH SAS User’s Guide 101
degauss To make a magnetic tape nonmagnetic by means of electrical
coils carrying currents that neutralize the magnetism of the
tape.
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 being held in position with a catch or lever.
device Any hardware component or peripheral, such as a tape drive
or tape library, that can receive and send data.
device driver A file that contains the code needed to use an attached
device.
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.
download To transfer programs or data from a computer to a
connected device, typically a personal computer.
DRAM Dynamic random-access memory.
drive, magnetic tape A mechanism for moving magnetic tape and
controlling its movement.
DSE Data security erase.
DSP Digital signal processor.
E EBCDIC Extended binary-coded decimal interchange code.
EC Edge connector. Engineering change.
ECC Error correction code.
EEPROM Electrically erasable programmable read-only memory.
EIA Electronics Industries Association.
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