CO1605 Systems-Analysis-and-Database-Design CO1605 Systems Analysis and Database Design CO1605 Lecture 3 - Describing Use Cases with Activity Diagrams Lecture Documents¶ CO1605 Lecture 4.pdf CO1605 L4 - Lab 4 - Describing Use Cases with Textual Descriptions.pdf CO1605 Lecture 5 - Requirements 1 Was this page helpful? Thanks for your feedback!