Modulation means
A. Varying of information
B. Utilization of a single transmission channel to carry multiple signals
C. Varying of some parameters of a carrier such as its amplitude to transmit
information
D. Transmit pulses in DC form on a copper wire
A. Varying of information
B. Utilization of a single transmission channel to carry multiple signals
C. Varying of some parameters of a carrier such as its amplitude to transmit
information
D. Transmit pulses in DC form on a copper wire