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q show nonreturn to zero encoding- value of


Q. Show Nonreturn to Zero encoding?

- Value of signal is for all time positive or negative

- NRZ-L

  • Signal level depends on bit represented; positive typically means 0 negative usually means 1
  • Difficulty synchronization of long streams of 0s or 1s

- NRZ-I (NRZ-Invert)

  • Inversion of a voltage represents a 1 bit
  • 0 bit represented by no change
  • Permits for synchronization

 

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Computer Networking: q show nonreturn to zero encoding- value of
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