You will highlight the main functionalities of E-Library. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. It also identifies internal data stores of Author, Books, Durations, Fees, Schedules that must be present in order for the E-Library system to do its job, and shows the flow of data between the various parts of Course, Schedules, Books, Author, Durations of the system. ![]() ![]() First Level Data flow Diagram(1st Level DFD) of E-Library Management System :įirst Level DFD (1st Level) of E-Library Management System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the E-Library Management System system as a whole.
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