Which is the definition of telegraphy?(1 point) Responses the transmission of radio waves that get converted back into sound waves at the receiver the transmission of radio waves that get converted back into sound waves at the receiver the transmission of signals using light waves from things such as lighthouses the transmission of signals using light waves from things such as lighthouses the science of creating sound waves using pulses in a symbolic code the science of creating sound waves using pulses in a symbolic code the science of using or making communication systems to transmit or reproduce information

Answer 1

the science of using or making communication systems to transmit or reproduce information