1. Context Level DFD Video Purchase System Video Information Management
Reports
Management
New Customer Information
Video
Rental
System
Rental Receipt
Video Rental Item
Customer
Customer
Video Rental Card
Customer ID
Monthly Bonus
Letter
Payment
Yearly Bonus Letter
Returned Video Information
Total Cash Received
Accounting
Context Level DFD

2. New Customer Information
Rental Receipt
Rental
Information
2.0
Produce
Management
Reports
Video
Rental Item
1.0
Rent
Video
Items
Customer
Management
Reports
Customer ID
Cash
Transaction
Management
Payment
Cash
Transaction
4.0
Summarize
Cash
Received
Customer
Record
Total Cash
Received
Accounting
Video Information
Video
Purchase
System D1
Customer
New Customer Information
5.0
Add
New
Customer
Customer
Record
Customer
Record
Video Rental Card
3.0
Check In
Video
Return
6.0
Returned
Video
Information
Customer
Produce
Monthly
Bonus
Letter
Customer
Monthly Bonus
Letter
Customer
Record
7.0 D1
Customer
Customer
Record
Produce
Yearly
Bonus
Letter
Yearly Bonus Letter
Level 0 Logical DFD

3. Logical Child DFD 1.1 1.2 1.3 1.4 1.5 Video Record Rental Information
Payment
1.1
Get
Video
Record
1.2
Get
Customer
Payment
Video Information
Cash
Transaction
Rental
Information
Rental
Information
Rental
Information
1.3
Update
Customer
Record
1.4
Produce
Customer
Receipt
Customer
Customer
Record
Rental
Receipt D1
Customer Name
and Address
1.5
Find
Customer
Record
Not Found Error
Customer ID
Customer
Record D1
Customer
Logical Child DFD

4. Rental TransactionFileD2
Cash Transactions
1.3
Display
Customer
Screen
Payment
Cash
Received
Customer
Rental
Screen
Customer ID
Barcode
1.5
Create
Cash
Transaction
Record
Video
Rental
Barcode
1.4
Get
Customer
Payment
Payment
Amount
1.2
Scan
Customer
Rental
Card
1.1
Scan
Video
Barcode
Video
Record
Customer
Record
1.6
Create
Rental
Transaction
Video
Rental
Record
Video
Record
Customer
Record
1.7
Update
Customer
Record D4
Rental TransactionFile
Customer
Record D3
Video Master File D1
Customer Master File
1.8
Print
Customer
Receipt
Rental Receipt