Online Auction System Use Case and Misuse Case Diagrams Mounika Challagundla‚ Graduate Student Dr. Natarajan Meghanathan‚ Associate Professor Department of Computer Science Jackson State University‚ Jackson‚ MS 39217‚ USA use case description • Registration: Anyone who want to participate in auction first they have to register to the system. • Login: The user will provide login details in order to access anything. • Post items: Once registered as a seller‚ the seller can start posting his
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Exercise 1 [AON] Using the table below‚ draw the network diagram and answer the questions. When you have completed answering the questions‚ do a forward/backward pass. Activity Start C B P A U T R N End Predecessor Start Start Start C‚ B‚ P P A A U T‚ R‚ N Estimate in weeks 0 6 4 3 7 4 2 3 6 0 . How many paths are in the network‚ and what are they? 2. What is the critical path and its duration? 3. What is the float on activity U? 4. What is the impact to the project if activity
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mywbut.com Data Flow Diagrams (DFDs) 1 mywbut.com Specific Instructional Objectives At the end of this lesson the student will be able to: • • • Identify the activities carried out during the structured analysis phase. Explain what a DFD is. Explain why constructing DFDs are important in arriving at a good software design. • Explain what a data dictionary is. • Explain the importance of data dictionary. • Identify whether a DFD is balanced. Structured Analysis Structured analysis
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#1. Entity Relationship Diagram #2. a. & b. One Room can be designated only one Room Type‚ whilst a particular Room Type can be assigned to several rooms (i.e. there may be many rooms that have double beds). Therefore‚ Room has a one-to-one relationship with RoomType and RoomType has a one-to-many relationship with Room. From the table‚ it can be seen that a particular room can only be designated as belonging to one type / category‚ thus confirming that Room RoomType has
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Entity-Relationship (E/R) Model Dr P Sreenivasa Kumar Professor CS&E Dept I I T Madras Entity-Relationship (E/R) Model Widely used conceptual level data model • proposed by Peter P Chen in 1970s Data model to describe the database system at the requirements collection stage • high level description. • easy to understand for the enterprise managers. • rigorous enough to be used for system building. Concepts available in the model • entities and attributes of entities. • relationships between
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Adam Smith‚ Thomas Robert Malthus‚ Karl Marx‚ and Milton Friedman will be compared and contrasted with each other. They all have similarities and differences among their theories and beliefs‚ but this essay will only discuss a few of them. Smith‚ considered the father of economics‚ was a firm believer in a laissez fair method of monitoring the economy. He wanted to leave things alone and work out on their own‚ rather than have the government step in and control things. Malthus was a pessimistic economist
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The Women and Their Roles in The Odyssey Throughout his journey‚ Odysseus meets a few female characters who become essential elements of The Odyssey. In the beginning of the epic‚ Odysseus’ main goal is to return home after many years of absence but along the way the sexual appeal of certain female characters distract him from his ultimate goal. Many of the female characters in The Odyssey are portrayed as seductresses creatures who desire different kinds of intimacy. Since they could not
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Manar Persuasive Essay Chris Lauture Period 2‚ Ms. Vough Going through life what would you do if your child had a disease or some sort of injury during birth? If so what would you do to save it or help your infant out? Well this has happened to a little girl by the name of Manar. On February 19‚ 2005‚ 10-month-old Manar underwent a successful 13-hour surgery in Egypt. The under developed conjoined twin‚ Islam‚ was attached to Manar’s head and was facing upward. Islam
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how the REI design team knew to tip one boot over to highlight the tread. We figured it was because they’d done extensive research on which pictures sold best‚ settling on the configuration with the best performance. We called them and asked if our theory about their research was correct. They laughed. Loudly! Once the laughing stopped and they recomposed themselves‚ one of them volunteered no such research had been done. Instead‚ the idea came from their photographer who‚ they revealed‚ had previously
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Reverend John Hale A scholar from Beverly‚ Reverend Hale comes to Salem on Reverend Parris ’ request to investigate supernatural causes for Betty Parris ’ suspicious illness and thus instigates the rumors of witchcraft. Hale approaches the situation precisely and intellectually‚ believing that he can define the supernatural in definitive terms. Despite his early enthusiasm for discerning the presence of witchcraft in Salem‚ Hale soon grows disillusioned with the witchcraft accusations that abound
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