The I/O port addresses, that are not used, while designing practical systems around 80286 are
A. 0000H to 00FFH
B. 00FFH to FFFFH
C. 00F8H to 00FFH
D. 0000H to FFFFH
Answer:A
The I/O port addresses, that are not used, while designing practical systems around 80286 are
A. 0000H to 00FFH B. 00FFH to FFFFH C. 00F8H to 00FFH D. 0000H to FFFFH
Explanation: The I/O port addresses 00F8H to 00FFH are reserved by Intel, hence these should not be used, while designing practical systems around 80286.