What is the role of an "analog-to-digital converter" (ADC)?

A) To convert analog signals into analog signals

B) To amplify digital signals

C) To convert analog signals into digital signals

D) To filter out noise from analog signals

Answer: C) To convert analog signals into digital signals

Explanation: An analog-to-digital converter (ADC) is a device that converts continuous analog signals into discrete digital representations, enabling digital processing and analysis.