3-1 ANALOG AND DIGITAL
Data can be analog or digital. The term analog data refers to information that is continuous; digital data refers to information that has discrete states. Analog data take on continuous values. Digital data take on discrete values.
Topics discussed in this section:
Analog and Digital Data
Analog and Digital Signals
Periodic and Nonperiodic Signals
Data can be analog or digital.
Analog data are continuous and take continuous values.
Digital data have discrete states and take discrete values.