Communication Systems Which of the following is a digital modulation technique? PCM PSK All DM PCM PSK All DM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 3 kHz 1 kHz 50 kHz 10 kHz 3 kHz 1 kHz 50 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. Both A and R are correct and R is correct explanation of A A is correct but R is wrong Both A and R are correct but R is not correct explanation of A A is wrong but R is correct Both A and R are correct and R is correct explanation of A A is correct but R is wrong Both A and R are correct but R is not correct explanation of A A is wrong but R is correct ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Either A or B Half duplex arrangement Duplex arrangement Neither A nor B Either A or B Half duplex arrangement Duplex arrangement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
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