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Task 1 Data Flow Diagram - Context Diagram and Level 0 Diagram (20 marks):You are assigned a role to develop a new system based on the project case study. Draw a context diagram and a level-0 DFD for it.
Task 2 Use Case Diagram:
Draw a use case diagram by using the Level-0 DFD that you provided in Task 1.
Note: Your use case diagram directly relates to the information in Level-0 diagram, but it will also relate to the same system presented as in the context diagram.
Task 3 Domain Model Class Diagram: Develop a domain model class diagram for the system based on the project case study.
Task 4 Activity Diagram:
Develop an activity diagram for the scenario.
Task 5 System Sequence Diagram :
Using the Activity Diagram above, produce a system sequence diagram, i.e. only include two swimlanes - one for the actor (PSSM employee) and the other for the entire system as a system class object.
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For this question let:A = {a, b, c, d} and R is a subset of A * A where, R = {(a, a), (b,b), (c, c), (a, b), (b, c), (c, d), (d, c)} a) The reflexive closure of R has how many elements? b) The symmetric closure of R has how many elements? c) The tran..
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