When do we know, it is an inclusive or and exclusive or in propositional logic?

Question

According to an example in Kenneth 

“Students who have taken calculus or computer science can take this class.” - is an example of inclusive or

“Soup or salad comes with an entrée,” - it is almost always an example of exclusive or

Is there a chance for the second example of being inclusive or?

And how do we know for sure which one is exclusive or inclusive or when the statements almost reads the same?

Answer 1

Inclusive OR means Atlesat one should be true.
Exclusive OR means exactly one should be true.