digital signal


A signal in which the original information is converted into a string of bits before being transmitted. A radio signal, for example, will be either on or off. Digital signals can be sent for long distances and suffer less interference than analog signals.

notes for digital signal

The communications industry worldwide is in the midst of a switch to digital signals.

notes for digital signal

Sound storage in a compact disk is in digital form.

notes for digital signal

Sound and video can also be streamed via computer.