Which pins of a micro controller are directly connected with 8255?
A. RD
B. WR
C. D0-D7
D. all of the mentioned
Answer:A
Which pins of a micro controller are directly connected with 8255?
A. RD B. WR C. D0-D7 D. all of the mentioned
Explanation: RD, WR, D0-D7 all are directly connected to the 8051 for telling the chip about the control signals and also for transferring the data.