Question: Draw a Context as well as Level 0 Data FlowDiagram (DFD) of a Shop Sal
ID: 3614309 • Letter: Q
Question
Question:
Draw a Context as well as Level 0 Data FlowDiagram (DFD) of a Shop Sale Management System for a companysailing shops in different parts of country. The Shop SaleManagement System works as follows:
1. Customer Places order. System checksavailability of the customer in customer file (If he / she isalready a customer). If found, then approved otherwise a newcustomer is created. Here new customer’s info is sent toledger file.
2. Then the availability of shops ischecked in the stock. If found, an Invoice is generated. Invoiceinfo is sent to the customer, stock, ledger as well as salesdepartment.
3. If shop is not available at this time, thenthis info is also sent to the customer.
Explanation / Answer
Shop sale management system
Sales Department
Customer
Ledger
Supplier
New customer’s info
Stock details
Invoice info
Invoice info
Invoice info
Details
Request
Invoice info
Generated invoice
Shop sale management system
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