Pulse code modulation (PCM) is a method used to digitally represent analog signals by sampling their amplitude at regular intervals. The analog data is sampled, converted, and represented as binary data. PCM is essential for digital communication systems.

1. Pulse code modulation:
Pulse code modulation is a digital sign of an analog signal that takes samples of the amplitude of
the analog signal at usual intervals. The sampled analog data is changed and then represented in
the form of binary data
Solution
Pulse code modulation:
Pulse code modulation is a digital sign of an analog signal that takes samples of the amplitude of
the analog signal at usual intervals. The sampled analog data is changed and then represented in
the form of binary data