Question: What is a key advantage of memory - mapped I / O ( MMIO ) ? It reserves separate address spaces for memory and I

What is a key advantage of memory-mapped I/O (MMIO)?
It reserves separate address spaces for memory and I/O.
It simplifies addressing and allows faster hardware access.
It ensures I/O devices use their own dedicated interrupt handlers.
It prioritizes I/O operations over CPU instructions.
What is a key advantage of memory - mapped I / O

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