Communication Systems In Pulse Code Modulation system Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Mostly anticlockwise but some times clockwise Anticlockwise 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 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Duplex arrangement Neither A nor B Either A or B Half duplex arrangement Duplex arrangement Neither A nor B Either A or B Half duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Almost equally costly Costly None of these Cheaper Almost equally costly Costly None of these Cheaper ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are 200 and 10.01 200 and 200 200 and 1.01 200 and 100.1 200 and 10.01 200 and 200 200 and 1.01 200 and 100.1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 250 bps Upto 100 bps Upto 400 bps Upto 600 bps Upto 250 bps Upto 100 bps Upto 400 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP