The advantage of I/O mapped devices to memory mapped is
A. The former offers faster transfer of data
B. The devices connected using I/O mapping have a bigger buffer space
C. The devices have to deal with fewer address lines
D. No advantage as such
Answer:A
The advantage of I/O mapped devices to memory mapped is
A. The former offers faster transfer of data B. The devices connected using I/O mapping have a bigger buffer space C. The devices have to deal with fewer address lines D. No advantage as such
Explanation: Since the I/O mapped devices have a seperate address space the address lines are limited by amount of the space allocated.