Correct Answer : Option (D) : It takes the digital data from an audio CD and converts it to a useful form.
Explanation : A "digital-to-analog converter" or DAC refers to an electronic device that converts the digital signals (discrete-time signal) to an analog signal (Continuous-time signal). In other words, we can say that an electronic device converts the signal of 0 and 1 (Binary) into the analog form. For example, the amplitude of the output signal varies according to the input values.
