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A terminal multiplexer has six 1200 bps terminals and n 300 bps terminals connected to it. The outgoing line is 9600 bps. What is the maximum value of n?

  • A.4
  • B.16
  • C.8
  • D.28

Answer: C

Correct answer: 8

The 300 bps terminals may use whatever the 1200 bps terminals leave:

\[ 9600 - 6\times 1200 = 2400\ \text{bps} \qquad n = \frac{2400}{300} = 8 \]

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