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- Create a use case sequence diagram using the information below. Buy Parts Customer/Store Employee Description: This use case describes car parts dealer purchasing. Successful Finish: client requests vehicle component 2. Store associate verifies availability 3. component is available and client pays cost 4. Customer receives part; stock adjusted. 1. Customer asks auto part 2. Store Associate checks part availability 3. Part is unavailable and customer chooses to order part or no part 4. Customer receives part and stock is updated (if alternate part ordered) or leaves without part. Alternative: Customer wants component. No post-condition No assumptionsDraw 1 . Question diagramDraw a sequence diagram for seat reservation use case.
- A college course may have one or more scheduled sections or may not have a scheduled section. Attributes of COURSE include Course ID, Course Name, and Units. Attributes of SECTION include Section Number and Semester ID. Semester ID is composed of two parts: Semester and Year. Section Number is an integer (such as 1 or 2) that distinguishes one section from another for the same course but does not uniquely identify a section. How did you model SECTION? Why did you choose this way versus alternative ways to model SECTION?3. Use case model: a. What does a use case diagram depict? b. Create a use case model for a travel agency. This should include all 3 parts of the use case model.An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. Consider the following description of a system: A university registrar’s office maintains data about following entities: Courses, including number, title, credits, syllabus, and prerequisites. Course offerings, including course number, year, semester, section number, instructor, timings and classroom. Students, including student-id, name, and program. Instructors, including identification number, name, department, and title. Furthermore, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an ER Diagram for the registrar’s office. Document all assumptions that you make about the mapping constraints.
- 1.ADVANTAGES OF USE CASE & SEQUENCE DIAGRAM. 2.CONCLUSIONS FOR USE CASE & SEQUENCE DIAGRAM.Design the UML class diagram to support the system below and upload a picture of your diagram. Used Class Material Website: You are designing a website where students can resale their used material for a course. A course may have multiple sections. The course material is specific to each section of a class. Not all course may require class materials, but they may require many of them. A student can have many used materials for sale. The class material can be either: · Textbook: which has a price(mandatory), title(mandatory), authors(optional), edition(optional) · Software: which has a price(mandatory), title(mandatory), publisher(optional), and also its operating system (mandatory) · Equipment: which has a price(mandatory), title(mandatory), description(mandatory) All class material can be either available or sold. Do a class diagram with: 1. all the classes , 2. their associations 3. their multiplicity . 4. For each classes, where are the…Data modeling is most often accomplished through the use of a(n) __________________. a. entity-relationship diagram b. data-flow diagram c. functional decomposition diagram d. activity diagram
- Kindly explain the flow of data on the diagramCase 1: Create a use case diagram based for the system that follows. Consider the following Pet Groomers Appointment system: When making a booking, pet owners need to fill a booking form that states their name, address, phone number, and the pets' details such as pet name, breed and age. Owners will also enter their preferred date of appointment such as day and time. The admin receives the booking form and checks the groomer's schedule to see whether the time slot is booked. If the slot is free, the booking is scheduled and confirmation will be given. However, if the slot is booked, the admin will suggest the next available slot based on the day and time entered. If the pet owner agrees, they will confirm the booking and it will be scheduled. An assigned groomer will receive the booking under their schedule. The system will send a reminder to the owner 3 days before their appointment.Entity Relationship Diagram of the business, as shown in the case. Completely and correctly specify all Entities, Relationships and Attributes Order: has one or many items; half by member half by anonymous member (no member number)Has: order number, each order item has total cost (with and without gst), number of store, cashier who took the order, member number (if provided), date on which the order was places, and, if the order is not picked up in-person, the date on which the order is shipped. Order-Item (one of the 1600 products):to identify: useorder number as well as a small “item sequence number” (which is unique within each order). product number, quantity ordered and the actial "unit price paid" If a valid member number is on the order, the system should use the product’s special “member price”, otherwise the product’s “regular price” is used. The average order includes 11 distinct order-items. Member (places 5 orders per month on avg):last name, given names, email…