Digital to Analog Converter DAC D/A converter <electronics> (DAC) A device which takes a digital value and outputs a voltage which is proportional to the input value. Typical uses include digital generation of audio signals or conversion of a {bitmap image} to a signal to drive a {CRT}. (1998-02-15)
DAC Discretionary Access Control (Unix, Linux, MAC)
DAC Dual Attached Concentrator (FDDI)