Several channels are interleaved and then transmitted together is known as
Answer : C. frequency-division multiplex
Which of the following cannot be used to remove the unwanted sideband in SSB?
Answer : A. balanced modulator
Which of the following is called intrinsic semiconductor?
Answer : A. Pure semiconductors
The p-n junction diode in which no voltage is applied is called ________
Answer : C. zero bias p-n junction diode
In a communications system, noise is most likely to affect the signal?
Answer : B. in the channel
Indicate the false statement. Modulation is used to
Answer : B. reduce the bandwidth used