D
D Symbol for electrostatic flux density, deuterium, dissipation factor, or drain electrode.
DAA Abbreviation for data access arrangement. 1. A direct interface attachment that connects a data communications device to a telephone line. It protects the public telephone network from a sudden surge of power or interference from the device that is coupled to the line. 2. A telephone-switching-system protective device used to attach uncertified non-telephone-company-manufactured equipment to the carrier network.
DABS Abbreviation for discrete address beacon system. A sophisticated ground surveillance equipment and complementary airborne transponder. DABS includes a two-way automatic ground-to-air data link.
DAC Abbreviation for digital-to-analog ...
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