10-04-2012 06:21 PM
x4=(x1|x2|x3 ) is the same as x4=(x1 OR x2 OR x3)
which is TRUE and therefore 1 (because it is an assignment statement and will always be true).
Furthermore, any number OR'ed with another number would give 1, except (0 OR 0) which would give 0.
So, (34 OR 987765)=1