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Communication SystemsDigital Modulation

A 16-QAM system operates at 100 kbaud. Its uncoded bit rate is?

  • A25 kbps
  • B100 kbps
  • C200 kbps
  • D400 kbps
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Correct Answer: D. 400 kbps
Explanation: 16-QAM carries 4 bits/symbol, so bit rate = 100 ksymbols/s × 4 = 400 kbps.
Reference: Standard communication systems: digital modulation
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