first and second level DFD of university management

Description for zero level DFD

• As stated in the question there are 4 users in the project.
  
• Here detailed informations regarding each student and teacher  are given and in response every student has got SIN(student identification num) or Roll No. and for teacher it is TIN(teacher identification num).
  
• Database Manager will perform all the data entry job.
  
• After giving routine generating command a routne will be generated. 
  
• Admin can veiw the every user , his peformance and get the result by giving the query.                                                                                                                                                                                                         first level DFD of university management:

Description of 1st level:

                                  every student , every teacher , evey class room and every subject should be                                    registerd

                                  Here  student_info datastore contain information regarding student.

                                  Here  teacher_info datastore contain information regarding teacher.

                                  Here  class_info datastore contain information regarding class.

                                  Here subject_info datastore contain information regarding 

                  

                    second level DFD of university management:

Description of second level DFD:

     class will be managed by  the process -Attendance Submit

                                                                       -Lectute plan given by teacher.

                                                                       -Student feedback given by teacher.

                                                                       -Teacher feedback given by student.

  Here Datastores are:

                                       - Attendence

                                       -Lecture-plan info

                                       -Student feedback

                                       -Teacher feedback.  

  DFD of university management: