Question 1: 1. Draw the use case diagram for the following functions [20 marks] 1. The student registration system will allow registered students to do the following functions: 1. login/logout to the system. 2. Display all available courses 3. Add a new course to his schedule that has a pre-request course (like ITCS114 has the pre-request ITCS113). 4.print the student's schedule with registered and paid courses. 5. calculate the GPA of the students. 6. display the student's transcript including GPA. 2. The student registration system will allow authorized lectures to do the following functions: 1. print his/her schedule 2. Add the grades of his course for each student 3. take attendance of the students in his course 4. do advising to students and record his comments in the system 2. The student registration system will allow authorized staff to do the following functions: 1. Add courses of the current semester 2. allocate lecturer to each course 3. print report about students and courses.