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em co nghe nai vang hat khuc yeu duong
Typology: Thesis
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Draw a sequence diagram from the following use case: ID & Name: UC- 1 : Registration Primary Actor: Guest Description: An unregistered user (guest) registers for an account. Trigger: The unregistered user wants to create an account. Pre-conditions: None Post-conditions: Website shows successful registration message to user and user account is stored in database. Normal Flow: 1.1. User clicks “Register” from the website’s navigation bar 1.2. System shows a registration form
Draw a sequence diagram from the following use case: ID & Name: UC- 2 : Order a pizza Primary Actor: Customer Description: A customer orders a pizza with many options. Trigger: The customer wants to order a pizza. Pre-conditions: The customer is logged in to the website. Post-conditions: Website shows successful purchase message to customer and customer order is stored in database. Normal Flow: 1.1. Customer clicks “Start ordering” link from the website’s home page 1.2. System shows three pizza sizes to choose from: big, medium, small