Exercise 1: Two frameworks (Zachman Framework and TAGOF Framework) Write each one on a page. Exercise 2: As a system user or user for the unit selection system 1. Design a context diagram for it. 2. Have one or more Ishikawa diagrams and say what are the system problems? And how can the problems be solved? Exercise 3: Designing a Usecase Diagram for an Online Sales Purchase, for example (Amazon or Ebay website) And what the Actors is and what applications it uses. Exercise 4: 1_Draw a unit of activity and sequence for a selection units in univesity. 2_Draw card-to-card money transfer activity diagram 3_Draw card-to-card money transfer sequence diagram Exercise 5: Draw an ERD diagram for a library ( like music library or a university library)