Q. Draw a Context as well as Level 0 Data Flow Diagram (DFD) of any DVD rental System.
Guidelines / Requirements:
The context level diagram must contain a major process and external entities.
Level 0 diagram must consist of major functions and should work as follows:
Ø There should be 2 streams, or flows of data.
· The customer request to rent a DVD, system check the availability from DVD store, and then system get the details of customer
· Bill will be generated on behalf of the detail of DVD and handed over to customer.
And finally customer gets the DVD after payment in cash.
Ensure that you can analyze existing manual system and can draw Data Flow Diagrams of any proposed system.
Before Starting you should study and understand:
Rules for drawing DFDs.
Differentiate different levels of DFDs.
Please Discuss Here about this assignmnet. Thanks