Which of the following is correct regarding Memory-Mapped I/O?
Select one:
a. Memory-Mapped I/O is more complex and inflexible in handling I/O operations.
b. The same memory reference instructions (read/write) can be used for I/O transfers. c. There are separate input and output instructions to handle I/O data transfers.
d. There is a separate memory and I/O address space.
e. The available memory address space is larger when using Memory-Mapped I/O.