1) College Registration System - Use Case Diagram 2) University Registration System - Use Activity Diagram 3) Pizza System - Use Activity Diagram 4) Library System - Use Class Diagram

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Library Information System CLASS DIAGRAM. . The University library system will record the books owned by the library as well as any new books purchased and put into circulation. Before someone can borrow a book, he or she must show a valid ID card that is checked - to ensure that it is still valid - against the student files maintained by the registrar's office (for student borrowers), the faculty/staff files maintained by the personnel office (for faculty/staff borrowers), or the library's own guest file (for individuals issued a guest card by the library). The system must also check to ensure the borrower does not have any overdue books or unpaid fines before he or she can borrow another book. If no fines or overdue books are found, the book is checked out. The system should record who has borrowed what book and when it is due back. The borrower is also told the due date. Books can only be checked out for two weeks. When a book is overdue, the information about the book and the person who checked it out is added to an overdue file. Every Monday, the library prints and mails postcards to those people with overdue books. If a book is overdue by more than one month, a fine will be imposed and a librarian will telephone the borrower to remind him or her to return the book. Pizza system Petivity diagram Perfect Pizza wants to install a system to record orders for pizza and Buffalo chicken wings. After talking with the manager and drivers, you have determined that the following should occur: When regular customers call Perfect Pizza on the phone, they are asked their phone number. When the number is typed into a computer, the name, address, and last order date is automatically brought up on the screen. Once the order is taken, the total, including tax and delivery is calculated. Then the order is given to the cook. A receipt if printed. Occasionally, special offers (coupons) are printed to the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and a coupon (if any). - Activity diagram Example 15.1 Creating a multi-level DFD for this scenario. University Registration System. The system should enable staff of each academic department to examine the modules offered by their department, add and remove modules, and change the information about them (e.g. the maximum number of students permitted). It should permit students to examine currently available modules, add and drop modules to and from their schedules, and examine the modules for which they are enrolled. Department staff should be able to print a variety of reports about the modules and the students enrolled in them. The system should ensure that no student takes too many modules and that students who have any unpaid fees are not permitted to register (students can verify their fee paying status). Note: assume that a fees data store is maintained by the university's financial office and this data store is accessed by the registration system but the fees data store is not modified by the registration system. University of Nottingham Large Scale Systems Design School of Computer Science Dr Dario Landa-Silva USE CASE Diagram Exercise College Registration System - Use case diagram A student may register for classes during a specified registration period. To register, a student must see their advisor. The advisor must approve each course that the student has selected. The advisor will use the registration system to determine if the student has met the course prerequisites, is in good academic standings and is eligible to register. If the advisor approves the courses, the advisor enters the student's college id into the course registration system. The course registration number for each course is entered. The course description, course number and section for those courses will automatically display. The system will check for schedule conflicts before saving the registrations. A bill for the courses will print in the Bursar's office. The student should proceed to pick it up. Faculty can use the registration system to check enrollments in their classes, get a class list, check a student's transcript, look up a student's phone number and other such student information. The registrar can use the registration system to enter new classes for an upcoming semester, cancel a class, and check conflicts in classroom/faculty assignments. Admissions use the registration system to add new students. Enrollment services use the registration system to report on retention, update student information, and check fulfillment of graduation requirements for those students planning to graduate. Library Information System CLASS DIAGRAM. . The University library system will record the books owned by the library as well as any new books purchased and put into circulation. Before someone can borrow a book, he or she must show a valid ID card that is checked - to ensure that it is still valid - against the student files maintained by the registrar's office (for student borrowers), the faculty/staff files maintained by the personnel office (for faculty/staff borrowers), or the library's own guest file (for individuals issued a guest card by the library). The system must also check to ensure the borrower does not have any overdue books or unpaid fines before he or she can borrow another book. If no fines or overdue books are found, the book is checked out. The system should record who has borrowed what book and when it is due back. The borrower is also told the due date. Books can only be checked out for two weeks. When a book is overdue, the information about the book and the person who checked it out is added to an overdue file. Every Monday, the library prints and mails postcards to those people with overdue books. If a book is overdue by more than one month, a fine will be imposed and a librarian will telephone the borrower to remind him or her to return the book. Pizza system Petivity diagram Perfect Pizza wants to install a system to record orders for pizza and Buffalo chicken wings. After talking with the manager and drivers, you have determined that the following should occur: When regular customers call Perfect Pizza on the phone, they are asked their phone number. When the number is typed into a computer, the name, address, and last order date is automatically brought up on the screen. Once the order is taken, the total, including tax and delivery is calculated. Then the order is given to the cook. A receipt if printed. Occasionally, special offers (coupons) are printed to the customer can get a discount. Drivers who make deliveries give customers a copy of the receipt and a coupon (if any). - Activity diagram Example 15.1 Creating a multi-level DFD for this scenario. University Registration System. The system should enable staff of each academic department to examine the modules offered by their department, add and remove modules, and change the information about them (e.g. the maximum number of students permitted). It should permit students to examine currently available modules, add and drop modules to and from their schedules, and examine the modules for which they are enrolled. Department staff should be able to print a variety of reports about the modules and the students enrolled in them. The system should ensure that no student takes too many modules and that students who have any unpaid fees are not permitted to register (students can verify their fee paying status). Note: assume that a fees data store is maintained by the university's financial office and this data store is accessed by the registration system but the fees data store is not modified by the registration system. University of Nottingham Large Scale Systems Design School of Computer Science Dr Dario Landa-Silva USE CASE Diagram Exercise College Registration System - Use case diagram A student may register for classes during a specified registration period. To register, a student must see their advisor. The advisor must approve each course that the student has selected. The advisor will use the registration system to determine if the student has met the course prerequisites, is in good academic standings and is eligible to register. If the advisor approves the courses, the advisor enters the student's college id into the course registration system. The course registration number for each course is entered. The course description, course number and section for those courses will automatically display. The system will check for schedule conflicts before saving the registrations. A bill for the courses will print in the Bursar's office. The student should proceed to pick it up. Faculty can use the registration system to check enrollments in their classes, get a class list, check a student's transcript, look up a student's phone number and other such student information. The registrar can use the registration system to enter new classes for an upcoming semester, cancel a class, and check conflicts in classroom/faculty assignments. Admissions use the registration system to add new students. Enrollment services use the registration system to report on retention, update student information, and check fulfillment of graduation requirements for those students planning to graduate