Consider a Student Information System $($SIS$)$ for a university.

$$ The system shall be a web$-$based platform that helps university $($faculty$,$ department,

institute, etc.$)$ get and process student data online for easier management and better clarity.

$$ The users of this system will be students, lecturers, advisors, student affairs office,

administrator, etc.

$$ At least following information will be stored in the database: student info, academic staff

info, course info, grades, registration, admission, transcript, diploma and so forth.

$$ At least the following processes will be performed by the system: register course $/$ enroll

course, enter course grades, pay tuition fee, display transcript record, display weekly

timetable, get graduation report, get user statistics $/$ logs$,$ get attendance, get class roster,

etc.

$$ You may have further information, processes, constraints, business rules and assumptions.

$1)$Create a use$-$case diagram including tabular information for the process pay tuition fee in SIS.

$2)$Create a sequence diagram for the process register courses $/$ course registration or the process enter course grades in SIS.