Q4.7: Using your knowledge of how an ATM is used, develop a set of use cases that could serve as a basis for understanding the requirements for an ATM system.
draw a diagram that shows relationships between the use cases and explain the following use cases: (withdraw cash, change PIN, deposit cash)
Q5.5. Develop a sequence diagram showing the interactions involved when a student registers for a course in a university. Courses may have limited enrollment, so the registration process must include checks that places are available. Assume that the student accesses an electronic course catalog to find out about available courses.
Q5.9. Draw state diagrams of the control software for An automatic washing machine that has different programs for different types of clothes.
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