____ modulation,which is commonly employed in contemporary modems,uses each signal change to represent 4 bits.
A) Quadrature amplitude
B) Quadrature frequency
C) Quadrature noise
D) Quadrature phase

Question

Quizplus · Accepted Answer

Quadrature Amplitude Modulation (QAM) is commonly used in modern modems, where each signal change can represent multiple bits, including the scenario of 4 bits per symbol.

____ Modulation,which Is Commonly Employed in Contemporary Modems,uses Each Signal