Question: (a) Using examples, explain the difference between a temporal and a state event. (8 marks) (b) In developing a Video Rental System for a video

(a) Using examples, explain the difference between a temporal and a state event. (8 marks)

(b) In developing a Video Rental System for a video store, the owner of the store suggests using the mobile phone number as the system identifier (primary key) for a customer. Another attribute (column) the owner suggested storing for a customer is the age of the customer. Explain if you agree or disagree with the suggestions made by the owner. (6 marks)

(d) Explain how the rules of Scrum fulfil the Agile principle Welcome changing requirements, even late in development in a system development project. (5 marks)

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