Q. Analog-to-analog conversion is needed if the available bandwidth is _______.

View solution

Q. Which of the following is not an analog-to-analog conversion?

View solution

Q. In _____ transmission, the carrier signal is modulated so that its amplitude varies with the changing amplitudes of the modulating signal.

View solution

Q. In _____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal. The peak amplitude and phase of the carrier signal remain constant, but as the amplitude of the information signal changes, the frequency of the carrier changes correspondingly.

View solution

Q. In _____ transmission, the phase of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal.

View solution

Q. In _______, the peak amplitude of one signal level is 0; the other is the same as the amplitude of the carrier frequency.

View solution

Q. How many carrier frequencies are used in BASK?

View solution

Q. How many carrier frequencies are used in BFSK?

View solution

Q. How many carrier frequencies are used in BPSK?

View solution

Q. How many carrier frequencies are used in QPSK?

View solution

Q. The constellation diagram of BASK has ______ dots.

View solution

Q. The constellation diagram of BPSK has ______ dots.

View solution

Q. The constellation diagram of QPSK has ______ dots.

View solution

Q. The constellation diagram of 16-QAM has ______ dots.

View solution

Q. The Federal Communications Commission (FCC) allows ______kHz for each AM station.

View solution

Q. The Federal Communications Commission (FCC) allows ______ kHz for each FM station.

View solution

Q. Which of the following layer decide the transmission rate in a Network?

View solution

Q. What is the main function of DSLAM?

View solution

Q. What is the use of Bridge in Network?

View solution

Q. Repeater operates in which layer of the OSI model?

View solution