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Section 4.md

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Section 4 : Practicing On DFD

By TA. Ahmed Arafat

Case 1: University Admission System

  • Student can perform intake procedure after sending his data to the system resulting in storing his data
  • Then the system will send admission approval or rejection
  • after student application approval, admin can request for student information in order to maintain student information which results in updating student information from the database
  • Also, Admin can request for a report so that he can view students' reports

Context Diagram

Level 0

  • perform intake procedure process can be broken to include the following
    • first it receives student data then stores it
    • it sends admission application to verify it, leading to updating admission application in the database
    • the last functionality is to review the admission application which will lead to updating its status in the database to reviewed status, also sending approval or rejection msg to the student

Level 1

Note: there is a syntax error for the process 1.3 as it must have an input from Data store Students Data (Each process has at least one input & one output)