A communication system is used to transmit one of 16 possible signals. Assume that transmission is accomplished by encoding the signals into binary digits. Further assume that signals are equally likely to occur. If each binary digit requires 1µ sec. For transmission, then how much information (in bits) is transmitted by the system in 8 microseconds?

A. 8

B. 16

C. 4

D. 2

Answer: Option D