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MIL-STD-1553 organises the bus around

  • A.A bus controller directing remote terminals
  • B.Every terminal transmitting when it has data
  • C.A token passed between terminals
  • D.A switch routing frames

Answer: A

Nothing transmits until the controller commands it, which makes the traffic entirely deterministic. The cost is that the controller becomes critical, so a backup controller is normally provided. Central control has a price.

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