Communication Systems Which one of the following is analog? Delta modulation PCM Differential PCM PWM Delta modulation PCM Differential PCM PWM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Infinite capacity Zero capacity None of these Small capacity Infinite capacity Zero capacity None of these Small capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Stepped index operation Microbending Attenuation in glass Impurities Stepped index operation Microbending Attenuation in glass ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 1 kHz 50 kHz 3 kHz 10 kHz 1 kHz 50 kHz 3 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is always vertical in an isotropic medium Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves Is always vertical in an isotropic medium Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves ANSWER DOWNLOAD EXAMIANS APP
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