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# 5 Draw the graph of the NRZ-L scheme using each of the following data streams,assuming that the last signa11evel has been positive.

5 Draw the graph of the NRZ-L scheme using each of the following data streams,assuming that the last signa11evel has been positive. From the graphs, guess thebandwidth for this scheme using the average number of changes in the signal level.Compare your guess with the corresp.onding entry in Table 4.1.a. 00000000b. 11111111c. 01010101d. 00110011138 CHAPTER 4 DIGITAL TRANSMISSION16. Repeat Exercise 15 for the NRZ-I scheme..