Information transmitted in discrete pulses rather than as continuous signals. Data is represented by a specific sequence of off-on electrical pulses. (See also, Analog)

In general, digital signals can be transmitted faster and more accurately than analog signals. As an example, music from digital cd's is usuallu more clear than music from analog records. (Contrast with analog signals.) Audio/video signals represented by discrete variations (in voltage, frequency, amplitude, location, etc.). A digital clock, for example, displays the time as discrete numeric values rather than angular displacement of analog hands.

Signals that are discrete and uniform. In this manual, the term refers to the binary digits 0 and 1. These signals are in contrast with analogue signals.