Digital signals are like a because there are only two distinct values it can send.

1. Switch
2. Spectrum
3. Computer
4. message

Digital signals, on the other hand, are like a light switch. They have two distinct values that they can send, rather than an infinite set of values like in analog signals. ... Like a light switch, digital signals have two values. Digital signals send segments, while analog signals send continuous streams.

Abay where the river empties into the sea