Communication Systems Which one of the following is analog? PCM PWM Delta modulation Differential PCM PCM PWM Delta modulation Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by The reflected colour Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it None of these The reflected colour Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has None of these Zero capacity Infinite capacity Small capacity None of these Zero capacity Infinite capacity Small capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Half duplex arrangement Either A or B Duplex arrangement Neither A nor B Half duplex arrangement Either A or B Duplex arrangement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by All of these Phase cancellation method Good attenuation characteristics Filter method All of these Phase cancellation method Good attenuation characteristics Filter method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 50 kHz 3 kHz 1 kHz 10 kHz 50 kHz 3 kHz 1 kHz ANSWER DOWNLOAD EXAMIANS APP