A Digital Signal Is Simply

A digital signal is simply

A) A row of numbers (called a binary code) of 0's and 1's or a magnetic pulse or no pulse that is converted by the computer chip into 0's and 1's, which is then converted into a "sound"
B) A magnetic recording of the number of vibrations and the amount of the vibrations per second
C) An analog signal being transmitted over the public airwaves
D) The type of signal that when converted is full of distoration and noise