Software licensed as proprietary is usually free of cost
often has lower quality than other types.
does not permit source code changes.
is rare in today's marketplace.
can be redistributed by the user at will.

Why would a programmer use the logical operator and in an if statement? a: when an action is to be taken that requires both conditions to be falseb: when an action is to be taken that requires both conditions to be truec: when an action is to be taken that requires the first condition to be falsed: when an action is to be taken that requires the second condition to be truei took the test and the answer is b.