Communication Systems A woofer should be fed from the input through a Low pass filter Band stop filter High pass filter Band pass filter Low pass filter Band stop filter High pass filter Band pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is PCM FSK Single tone modulation Two tone modulation PCM FSK Single tone modulation Two tone modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Video head for recording and laser beam for playback Laser beam for both recording and playback None of these Laser beam for recording and video head for playback Video head for recording and laser beam for playback Laser beam for both recording and playback None of these Laser beam for recording and video head for playback ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 50 kHz 1 kHz 10 kHz 3 kHz 50 kHz 1 kHz 10 kHz 3 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier 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 Duplex arrangement Half duplex arrangement Either A or B Neither A nor B Duplex arrangement Half duplex arrangement Either A or B ANSWER DOWNLOAD EXAMIANS APP