engineering computer science MCQ #484

What is the maximum data rate of a channel with a bandwidth of 4 kHz and a signal-to-noise ratio of 10?

engineering computer science MCQ #484

  1. Question 1

    Q1. What is the maximum data rate of a channel with a bandwidth of 4 kHz and a signal-to-noise ratio of 10?

    • A) 40 kbps
    • B) 80 kbps
    • C) 120 kbps
    • D) 160 kbps

    Answer: 80 kbps

    Explanation: Using Shannon's theorem, C = B * log2(1 + S/N) = 4000 * log2(1 + 10) = 4000 * log2(11) = 4000 * 3.459 = 13836 bps or approximately 13.8 kbps, but closest answer is obtained using Nyquist theorem for max data rate, 2 * 4 kHz *.