: The story transitions into modern technology, covering Waveform Coding , Digital Data Transmission , and Digital Modulation Techniques —the systems that power our smartphones and the modern internet today.
The transition from analog to digital begins with Sampling Theory , converting continuous waves into discrete pulses through Pulse Amplitude Modulation (PAM) or Pulse Code Modulation (PCM). 3. Comparative Analysis: Analog vs. Digital : The story transitions into modern technology, covering