Please answer both of them

1. In which factors data rate depends on? What is the difference between bandwidth in hertz and bandwidth in bps? Figure 1: Analog Signal (time Vs Amplitude) In the above Figure 1, determine the time period and frequency of the analog signal. Also show the frequency domain representation of the signal if the maximum amplitude is 40v. [6 points] 2. Consider a communications channel being used by a cable modem network. The channel has use of the spectrum between 204MHz and 220MHz. The signal power is 30mW and the noise power is 3mW. [6 points ] - Interpret the theoretical maximum capacity of the channel in bps. - Assuming the capacity of the channel could be realized, distinguish how many signal levels would be needed? - Discuss what advantage/disadvantage, if any, would there be in using half this number of signal levels