Hey, I need help to make information system description framework for Attendance Information System. Here is the Scenario:

A lecturer at Albany University has decided he wants to keep an accurate record of which of his students attend their lectures and tutorials. The purpose of this is not punitive, since it;'s not absolutely compulsory that students attend, however, the lecturer wants- over a period of three semesters- to analyse if there is a causal link between student attendance and their results. The lecturer developed an App for an iPad/tablet called Scanning Attendance tracker(SAT) which can read and record the barcode of his students' ID card when they swipe their card past the iPad/tablet, and he place a tablet with the SAT software at each of the physical entry points for his lecture and tutorials. Students are required to bring their student ID Cards to all of their classes, where they touch or swipe their card on the tablet's screen as they enter the room. There are some data verification protocols built into the App. For e.g., if a student attends a different tutorial to the one in which they are officially enrolled in, their attendance is still recorded, however, a different beep sounded- so the student knows the system has recorded an anomaly- and the details are recorded in the SAT software for the lecturer to follow-up on. It is also possible for a student to manually type in their student number into SAT software should they lose their ID card, however, this can only be done twice in a given semester. The SAT software interacts with the Blackboard's GradeCentre, populating the 'Attendance ' columns with each week's lecture and tutorial attendances. The GradeCentre is where students results for assignments, tests and exams are recorded, so over-time, attendance and results can be compared. Attendance columns in GradeCentre are not visible to students but are seen by lecturers and tutors. It is, therefore, possible, in the short-term, for the lecturer to use this interface to pro-actively email students if their attendance is really poor, particularly if the student's assessment scores are also poor. Long term, a picture of the relationship between student attendance and results can be accessed.

It should involve following steps:

1. General description: Including topic and Purpose in breif , ICT FUNCTIONS DESCRIPTION, USERS AND USES AND INSTANCE.
2. EXTERNAL Description: Input, Output,System Boundary(external), System Boundary (Internal)
3. External View Diagram
4. Internal Description: Information Processor, Information Stores, Communication Networks(External), Communication network (Internal)
5. Internal View Diagram