My apologies if this is the wrong section.
I am having trouble trying to determine the purpose of circuit. As in, what would this circuit be useful for, if it was installed in a logic board.
The circuit is as follows:
I believe that the truth table is as follows:
I will admit that this problem is based on previous exam papers the lecturer has set, but I can't seem to find an answer anywhere.
Any help would be gratefully appreciated.