2. What is the bandwidth of a signal composed of frequencies from 50 hz to 500 hz?

4. What is the baud rate of a digital signal that employes differential Manchester and has a data transfer rate of 2000 bps?

6. What is the data transfer rate in bps of a signal that is encoded using phase modulation with eight different phase angles and a baud rate of 2000?

9. A signal starts at point X. As it travels to point Y, it loses 8 dB. At point Y, the signal is boosted by 10dB. As the signal travels to poin Z, it loses 7 dB. What is the dB strength of the signal at point Z?

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