In memory-mapped I/O __________
A)the i/o devices and the memory share the same address space
B)the i/o devices have a separate address space
C)the memory and i/o devices have an associated address space
D)a part of the memory is specifically set aside for the i/o operation

Question

In memory-mapped I/O __________  
A)the i/o devices and the memory share the same address space
B)the i/o devices have a separate address space
C)the memory and i/o devices have an associated address space
D)a part of the memory is specifically set aside for the i/o operation

Quizplus · Accepted Answer

In memory-mapped I/O, both the I/O devices and the memory share the same address space, allowing the CPU to use the same instructions to access both memory and I/O devices.

In Memory-Mapped I/O __________