This course is a little boring because it is full of theory. Fortunately, the course teacher narrates the slides and explains things to us to make them understandable and a little less boring. 

Computer architecture defines the structure and components of a computer system, while computer organization defines how those components work together to perform operations.

Computer Architecture helps us to understand the functionalities of a system. Computer Organization tells us how exactly all the units in the system are arranged and interconnected.