8.

Complete the paragraph by choosing the correct term in parentheses.
A microphone captures (digital/analog) sounds at a band concert and stores them as (digital/analog) signals on a computer. The computer converts the (digital/analog) signals back to (digital/analog) electrical signals to produce (radio/sound) waves from the speakers.

analog, analog, analog, digital, sound

analog, digital, digital, analog, sound

digital, digital, digital, analog, radio

digital, analog, analog, digital, radio