When the PS(active low)/EN(active low) pin of 8259A used in buffered mode, then it can be used as a

input to designate chip is master or slave

When the PS(active low)/EN(active low) pin of 8259A used in buffered m

1.	When the PS(active low)/EN(active low) pin of 8259A used in buffered mode, then it can be used as a
A.	input to designate chip is master or slave
B.	buffer enable
C.	buffer disable
D.	none
Answer» C. buffer disable