Communication Systems A modem is classified as low speed if data rate handled is Upto 400 bps Upto 250 bps Upto 100 bps Upto 600 bps Upto 400 bps Upto 250 bps Upto 100 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation To reduce bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for both recording and playback None of these Video head for recording and laser beam for playback Laser beam for recording and video head for playback Laser beam for both recording and playback None of these Video head for recording and laser beam for playback Laser beam for recording and video head for playback ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is the same as that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is more than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is more than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 1 kHz 10 kHz 3 kHz 50 kHz 1 kHz 10 kHz 3 kHz 50 kHz ANSWER DOWNLOAD EXAMIANS APP
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