Digital Communication Multiple Choice Questions
Digital Communication Multiple Choice Questions 1) What are the primary features of a transmitter? Lower clock speed Lower transmitting power Higher clock speed None of these Answer: d Explanation: A transmitter refers to an electronic device that produces a radio signal with the help of an antenna. The primary features which make a transmitter complex are higher transmitting power, higher clock speed, directional antennas. 2) The window gives a number of Bytes Frames Both option a and b None of these Answer: c Explanation: The window gives the number of frames or bytes. 3) A speech signal, band-limited to 8 kHz with peak to peak between +20 V to - 20 V, and the signal are sampled at Nyquist rate, and the bits 0 and 1 are transmitted using bipolar pulses. Find the minimum bandwidth for distortion-free transmission in KHz? 98 kHz 64 kHz 52 kHz 35 kHz Answer: b Explanation: While using polar pulses, the minimum bandwidth required is four times the theoretical bandwidth o...