2.
Which describes a compact disc recording?
The spiral is divided into sections of equal time.
A tiny magnet induces an electric current.
The spiral has grooves with wavy patterns.
The recording uses analog technology.
1 answer
A compact disc recording uses the first choice: the spiral is divided into sections of equal time. This refers to the process of digitally sampling a sound wave, breaking it up into equal sections, and then converting those sections into binary code that can be read by a laser on a CD.