[solved]-Q1 What Is The Relationship Between Level 0 And Level 1 Dfd Diagrams Explain 4
Q1)- What is the relationship between level 0 and level 1 DFD diagrams? Explain. [4 marks]
Q2)- What does Use Case mean? and what does use case describe? [4 marks]
Q3)- What does triggers mean in use case, and what are the trigger types? and who’s usually be a trigger? [4 marks]
Q4)- Describe the best way to validate the content of use cases. [4 marks]
Q5)- What is the purpose of an intersection entity? Describe the steps used to create an intersection entity? [4
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