Analog-to-Digital Conversion (ADC) is the process of transforming continuous signals, like sound or light, into a digital format that computers can understand. This involves sampling the analog signal at specific intervals and quantifying its amplitude, allowing for accurate representation in binary code. The ADC process is essential in various applications, including audio recording, digital photography, and telecommunications. By converting analog signals into digital data, devices can store, process, and transmit information more efficiently, enabling modern technology to function seamlessly in our daily lives.