Semantics of Programming Languages Course #: COMP 411 Instructor: Walid Taha (DH 3103) Class time: MWF 10:00AM 10:50AM (Office Hours: M 2:00PM 2:50PM) Class room: DH 1042 Introduction As computer programs play an increasingly more significant role in our daily lives, knowing what they are supposed to be doing and its relation what they actually do becomes particularly important.