Draw the graph of the following line coding schemes (NRZ, NRZ-L, NRZ-I, Polar RZ, Manchester, differential Manchester, AMI) for each of the following data streams, assuming that the last signal level has been positive. Compare the DC component, Self-Sync, and average bandwidth. a) 0000000000000000 b) 1111111111111111 c) 0101010101010101 d) 0011001100110011