Case 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.

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…

Q2: Draw an ERD from the following business rules: Use proper notations for the type of attributes A software system is to be developed for an educational institute.The software is intended to be used by faculty members, students and designated support staff. System administrator will also use system for system administration and management. Student’sdata including names, registration number, cell numbers and address will be added and edited by Clerk. The data will be added at the timeof student reporting at campus. Student can enroll into any course of their choice from the offered courses. They can also request for dropping a course. Approval of course dropping of a student will be granted or refused by academic coordinators

Rock Series: A site hosts many shows a year. Artists have a name and perform several times in a series (each is a show on a different date). Series have one or more artists and have a series name and a specified seating arrangement. A series is held in one (and only one) of several halls, each of which has a hall number. Represent this situation of shows and artists with an E-R diagram.