Of the following, which best characterizes computers that use memory-mapped I/O?

Question

TuteeHUB · Accepted Answer

To perform I/O operations, it is sufficient to place the data in an address register and call channel to perform the operation

TuteeHUB · Answer

The computer provides special instructions for manipulating I/O ports

TuteeHUB · Answer

I/O ports are placed at addresses on the bus and are accessed just like other memory locations

TuteeHUB · Answer

I/O can be performed only when memory management hardware is turned on

1.	Of the following, which best characterizes computers that use memory-mapped I/O?
A.	The computer provides special instructions for manipulating I/O ports
B.	I/O ports are placed at addresses on the bus and are accessed just like other memory locations
C.	To perform I/O operations, it is sufficient to place the data in an address register and call channel to perform the operation
D.	I/O can be performed only when memory management hardware is turned on
Answer» C. To perform I/O operations, it is sufficient to place the data in an address register and call channel to perform the operation

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