Question: What is the primary function of a digital-to-analog converter (DAC)?

Options:

1. To sample an analog signal
2. To convert digital signals into analog signals
3. To filter digital signals
4. To amplify analog signals

Correct Answer: To convert digital signals into analog signals

Solution:

A DAC converts digital signals back into analog signals, allowing digital data to be represented in a form that can be used by analog devices.