computer network please use your own world to answer the question 1-What are three important characteristics of a periodic signal.

2-Define fundamental frequency.

3-Define channel capacity.

4-What key factors affect channel capacity?

5-What is the minimum bandwidth needed to achieve a data rate of B bits/sec if the signal is transmitted using NRZ=B/2, and Manchester encoding=B? Explain your answer

6- Ten signals, shared multiplexed channel of 40000 HZ, using FDM/TDM. what is the minimum bandwidth required for each channel?? assume that the guard bands are 400 Hz wide