Computer Science · Data Communication
A bit stream 1011 is transmitted using alternate-mark-inversion (AMI) bipolar encoding, where the expected transmitted voltage levels are {+1, 0, -1, +1}. If the received voltage levels due to noise are {+1, 0, -1, -1}, how many bits are detected to be in error?
- 14
- 23
- 32
- 41✓
Correct answer
1
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