Communication Systems The direction of rotation of a CD is Clockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Anticlockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Anticlockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 16 8 1 15 16 8 1 15 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is Two tone modulation Single tone modulation FSK PCM Two tone modulation Single tone modulation FSK PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. True False True False ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for both recording and playback Laser beam for recording and video head for playback Video head for recording and laser beam for playback None of these Laser beam for both recording and playback Laser beam for recording and video head for playback Video head for recording and laser beam for playback None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is the same as that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is more than that of dipole Is the same as that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is more than that of dipole ANSWER DOWNLOAD EXAMIANS APP
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