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Iterative development is harder in embedded work than in software alone chiefly because

  • A.version control is unavailable for firmware projects
  • B.hardware has a long lead time and cannot be revised weekly
  • C.embedded software cannot be tested at all until it is complete
  • D.requirements for embedded products never change

Answer: B

A board respin takes weeks and costs money, so the hardware cannot iterate at the software's pace. The usual answer is to iterate the software freely on a development board while the hardware is committed in a small number of deliberate steps.

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