The main difference between analog and digital signals is that analog signals are continuous, while digital signals are discrete. This means that analog signals can take on any value within a range, while digital signals can only take on a finite number of values.
Analog signals are used to represent continuous quantities, such as sound waves, light waves, and temperature. Digital signals are used to represent discrete quantities, such as numbers and letters.
Analog signals are more natural than digital signals. For example, sound waves are analog signals, and our ears are designed to detect analog signals. However, digital signals are easier to store and transmit than analog signals. This is why digital signals are used in most modern communication systems.
examples of analog and digital signals: