Communication Systems Which one of the following is analog? PCM Delta modulation Differential PCM PWM PCM Delta modulation Differential PCM PWM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as High frequency Very high frequency Low frequency Medium frequency High frequency Very high frequency Low frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Filter method All of these Good attenuation characteristics Phase cancellation method Filter method All of these Good attenuation characteristics Phase cancellation method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Neither A nor B Either A or B Half duplex arrangement Duplex arrangement Neither A nor B Either A or B Half duplex arrangement Duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Correlated Statistically independent Orthogonal Uncorrelated Correlated Statistically independent Orthogonal Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization None of these Involves critical alignment of transmitting and receiving antenna Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave None of these Involves critical alignment of transmitting and receiving antenna Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave ANSWER DOWNLOAD EXAMIANS APP
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