57) Differential Manchester code for the given figure is

58) Maximum data rate of a channel of 3000 Hz bandwidth and SNR of 30 dB is

59) Minimum number of bits required to represent B is

60) A 3000 Hz bandwidth noisy channel transmits bits with a signal to thermal noise ratio of 30 dB. What is the maximum data rate of the channel ?

61) Which of the following access control methods is probabilistic