Related:

• DED /D-E-D/ n. Dark-Emitting Diode (that is, a burned-out LED).
  Compare SED, LER, write-only mem early 1970s both Signetics and Texas instruments released DED spec sheets as AFJs (suggested uses included "as a power-off indicator")....
• SED: [TMRC, from `Light-Emitting Diode'] /S-E-D/ n.
  Smoke-emitting diode. A {friode} that lost the war....
• SED /S-E-D/ n. [TMRC, from `Light-Emitting Diode'] Smoke-emitting diode.
  A friode that lost the war. See also LER....
• LER: /L-E-R/ [TMRC, from `Light-Emitting Diode'] n.
  A light-emitting resistor (that is, one in the process of burning up)....
• friode: /fri:'ohd/ [TMRC] n. A reversible (that is, fused or blown) diode.
  Compare {fried}; see also {SED}, {LER}. -- The AI Hackers Dictionary...
• write-only memory: n. The obvious antonym to `read-only memory'.
  Out of frustration with the long and seemingly useless chain of approvals required of component specifications, during which no actual checking seemed to occur, an engineer at Signetics once created a specification for a write-only memory and included it with a bunch of other specifications to be approved....
• LER /L-E-R/ n. 1. [TMRC, from `Light-Emitting Diode'] A light-emitting resistor (that is, one in the process of burning up).
  Ohm's law was broken. See also SED. 2. An incandescent light bulb (the filament emits light because it's resistively heated)....
• friode /fri:'ohd/ n. [TMRC] A reversible (that is, fused or blown) diode.
  Compare fried; see also SED, LER...
• write-only memory n. The obvious antonym to `read-only memory'.
  Out of frustration with the long and seemingly useless chain of approvals required of component specifications, during which no actual checking seemed to occur, an engineer at Signetics once created a specification for a write-only memory and included it with a bunch of other specifications to be approved....