What is a Digital Signal?????

A digital signal is a binary coded pulse that represents pictures, data, sound, and is a computer or communication system.

An analog signal is a continuously varying system. How does an analog signal become a digital signal?????

• A Digitizer changes analog signals into digital or electronic signals. This was first developed by RAND Corporation in 1964.

To convert speech a microphone is used to break speech into voltages and the digitzer converts voltages into digital code-creating words on a computer screen.

Binary code is mathematical, a series of 0s and 1s and is considered universal.