Q. 44 An I/O peripheral device shown in Fig. (b) below is to be interfaced to an 8085 microprocessor. To select the I/O device in the I/O address range D4 H – D7 H, its chip-select should be connected to the output of the decoder shown in as below :
(A) output 7
(B) output 5
(C) output 2
(D) output 0
Answer: (B)
Explanation: