What is a digital signals? All Questions › Category: Digital Electronics › What is a digital signals? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 1 Vote Up Vote Down chetan shidling answered 4 years ago The Digital signal is a pulse generator, signals in protocols, etc this signal represents the data as a sequence of separate values at any point in time. It has a square waveform. The Digital signal uses discrete 1 and 0 to represent data.