Eli5: What is the real difference between analog and digital?

Question

I tried looking it up, and my brain just wasn’t making sense of it, but I haven’t had coffee yet so.

In: 0

Answer 1

Analog refers to continuous signals whereas digital has discrete values. For instance an analog radio would have the actual signal modulating the carrier whereas a digital radio would have ones and zeroes encoded on the carrier which represent the actual signal.