State whether the following sentences are true or false. (i) With…
2019
State whether the following sentences are true or false. (i) With memory-mapped I/O, a single read line and a single write line are needed on the bus. (ii) With isolated I/O, the address space for I/O is isolated from that for memory.
- A.
(i) – True, (ii) – True
- B.
(i) – False, (ii) – False
- C.
(i) – False, (ii) – True
- D.
(i) – True, (ii) – False
Attempted by 575 students.
Show answer & explanation
Correct answer: A
Memory-mapped I/O uses the same read/write control lines as memory, and isolated I/O uses a separate address space from memory.