Illustrate return to zero encoding, Computer Networking

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Q Illustrate Return to Zero encoding?

- In NRZ-I long strings of 0s may still be a problem

- May comprise synchronization as part of the signal for both 1s and 0s

- How?

Should include a signal change during each bit
Uses three values: positive, negative, and zero
1 bit classified by positive-to-zero
0 bit represented by negative-to-zero

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