Which type of modulation changes the starting point of the cycle to represent a change from a 1 bit to a 0 bit and vice versa?
A) AM
B) FM
C) DM
D) PM

Question

Quizplus · Accepted Answer

Phase Modulation (PM) changes the phase of the carrier signal to represent data. In this modulation technique, the phase of the carrier signal is varied in accordance with the digital signal changes, effectively changing the starting point of the cycle to represent a shift from a 1 bit to a 0 bit and vice versa.

Which Type of Modulation Changes the Starting Point of the Cycle