May 15, 2003

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).

Posted by Jargon File at May 15, 2003 10:51 AM

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