Information System for Suhar Software Center (ISSSC) Scenario: (ISSSC) Registration and Admission department (ISSSC-Reg) department needs to develop (ISSSC) Registration and Admission System (CRegS),...

Extracted text: Information System for Suhar Software Center (ISSSC) Scenario: (ISSSC) Registration and Admission department (ISSSC-Reg) department needs to develop (ISSSC) Registration and Admission System (CRegS), in order to automate the registrations processes, i.e. courses and other academic activities/tasks. The (CRegS) existing system can be described as follows, the systems saves the following data for Center_Staff ( S_IDNO, job, dep_No), for the students save the following data (Student_No, Name, phone_No), and for (CRegS)'s employee store the data (name, emp_No, department). The (CRegS) focusing on the following activities, register_courses for students, withdraw courses, warning absent students; calculate the students total contact hours, and other activities. Calculating the student total contact hours required first to check that the student already has been registered to the current semester. Finally (CRegS) system enables the department to announce the students' result at the end of the semester. Answer the following questions: [Based on the above scenario] A- Create a use case diagram that includes at least the following: a. Four use cases. b. Three actors. c. Relationships between the Actors and Use cases. B- Includes at least one > use cases. C. Based on the scenario topic, suggest adding two actors with a use case related to them and add them to the use case diagram. [add the word "New" to the actor's name].