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Comparing an FPGA implementation with a software one for a function that may change after release, the software version

  • A.can be updated in the field far more easily
  • B.always meets a tighter timing requirement
  • C.costs less to develop in every case
  • D.consumes less power for exactly the same function

Answer: A

Updating firmware over a communication interface is routine; reconfiguring fabric in the field is possible but far less common and carries more risk. Timing and power both favour the fabric, which is the trade being made.

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