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An ARINC 429 word is 32 bits. At the high speed rate of 100 kilobits per second, one word takes

  • A.320 microseconds
  • B.32 microseconds
  • C.3.2 milliseconds
  • D.100 microseconds

Answer: A

Dividing gives \( 32/100\,000 = 3.2 \times 10^{-4} \) second. Word gaps of at least four bit times separate consecutive words, so the achievable word rate is somewhat below the raw figure suggests. Gaps consume part of the capacity.

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