Computer Science for IGCSE & O level - Hardware (Section 17 - No. 26)
Which of the following is the function of a digital-to-analog converter (DAC) in an audio system?
To amplify the audio signal.
To convert digital audio data into an analog electrical signal.
To control the volume.
To filter out unwanted frequencies.
Giải thích
DAC is a device used to convert digital signals to analog ones.