What happens if the CPU and an I/O controller want to use the bus at the same…

2025

What happens if the CPU and an I/O controller want to use the bus at the same time? Who decides who goes next?

Answer: C. Bus arbiter

  1. A.

    DMA

  2. B.

    Interrupt handler

  3. C.

    Bus arbiter

  4. D.

    CPU

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Correct answer: C

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