which carries information by changing original sounds into numbers?\no analog signal\no digital signal\no…

which carries information by changing original sounds into numbers?\no analog signal\no digital signal\no volume\no frequency
Answer
Brief Explanations:
Digital signals convert original sounds into numerical values for information - carrying. Analog signals represent information as continuous physical measurements. Volume is a measure of sound loudness and frequency is the number of sound - wave cycles per second.
Answer:
B. digital signal