Create a level 0 dfd for a university library

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Reference no: EM131037641

Create a Level 0 DFD for a university library borrowing system. (Do not worry about catalogue searching etc.) The system will record the books owned by the library and will record who has borrowed what books. Before someone can borrow a book, he oe she must show a valid ID card that is checked to ensure that it is still valid against the student database maintained by the refistrar's office (for student borrowers), the faculty/staff database maintained by the personnel office (for faculty/staff borrowers), or against the library's own guest database (for individuals issued a "guest" card by the library). The system must also check to ensure that the borrower does not have any overdue books or unpaid fines before he or she can borrow another book. Every Monday, the library prints and mails postcards to those people with overdue books. If a book is overdue by more than 2 weeks, a fine will be imposed and a librarian will telephone the borrower to remind him or her to return the book(s). Sometimes, books are lost or are returned in damaged condition. The manager must then remove them from the database and will sometimes impose a fine on the borrower.

Reference no: EM131037641

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