on activation of ----, 8255 loads data from the input port lines into the input buffer of that port

on activation of ----, 8255 loads data from the input port lines into

1.	on activation of ----, 8255 loads data from the input port lines into the input buffer of that port
A.	stb#
B.	ibf
C.	obf#
D.	none of these
Answer» C. obf#