Create visual DFD data flow diagrams for the following: Process Description - Current System: The current system
Question:
Create visual DFD data flow diagrams for the following:
Process Description - Current System:
The current system used by the mid-size plant nursery is a manual process that relies on paper-based records and spreadsheets. The process involves the following steps:
Plant inventory is recorded manually on paper forms.
Orders are taken manually by phone or in-person.
Orders are recorded on spreadsheets.
Invoices are created manually and sent to customers.
Payments are recorded manually.
Business Functions Supported by Current System:
The current system supports the following business functions:
Plant inventory management
Order management
Invoicing
Payment processing
Customer management
Context Diagram - Current System:
The context diagram for the current system is shown below:
[Current System Context Diagram]
Diagram 0 DFD - Current System:
The Diagram 0 DFD for the current system is shown below:
[Current System Diagram 0 DFD]
New System Requirements:
Inputs:
The new system will require the following inputs:
Plant inventory data (including plant name, description, quantity, and location)
Customer orders (including plant name, quantity, and customer information)
Payment information (including payment type, amount, and customer information)
Customer information (including name, address, and contact information)
Outputs:
The new system will produce the following outputs:
Plant inventory reports (including plant name, quantity, and location)
Order reports (including plant name, quantity, and customer information)
Invoices (including plant name, quantity, and payment information)
Payment receipts
Systems analysis and design
ISBN: 978-0136089162
8th Edition
Authors: kenneth e. kendall, julie e. kendall