Q. 46 An 8255 chip is interfaced to an 8085 microprocessor system as an I/O mapped I/O as show in the figure. The address lines of the 8085 are used by the 8255 chip to decode internally its thee ports and the Control register. The address lines to A as well as the signal are used for address decoding. The range of addresses for which the 8255 chip would get selected is
(A) F8H – FBH
(B) F8GH – FCH
(C) F8H – FFH
(D) F0H – F7H
Answer: (C)
Explanation: