Node:DED, Next:deep hack mode, Previous:deckle, Up:= D =

DED /D-E-D/ n.

Dark-Emitting Diode (that is, a burned-out LED). Compare SED, LER, write-only memory. In the

early 1970s both Signetics and Texas instruments released DED

spec sheets as AFJs (suggested uses

included "as a power-off indicator").