HIGH TECH PIZZA

Data Flow Diagram

Presented By : Anupama

Chandrika

Matthew

Table Of Content

Business Requirements

Context Diagram

Level 0 Diagram

Level 1 Diagram

Level 2 Diagram

Business Requirement

Ease of transition to new system.

Ease of training of delivery team members.

Use of low cost equipment that is already available in

marketplace.

Secure credit card transaction processing.

Database compilation on customer preferences, buying

patterns, modes of payment, etc. to improve overall customer

satisfaction.

Context Level

System High Tech Pizza System

Entities Customer Branch Manager Pizza Chef/Kitchen

Data flow to and from the external entities and High Tech Pizza System

Context Diagram

Level 0 DFD Diagaram

External Entities Customer Masters Pizza chef/Kitchen Branch Manager

Processes Order Processing Transaction Processing Run Reports

Data Stores Menu Data Customer Master Order Sales Details Inventory

Level 0 Diagram

Level 1 DFD Diagram

External Entities Customer Pizza Chef/Kitchen

Processes Customer Info Processing Transform Order Processing

Data stores Customer Master Menu Data Order Inventory

Level 1Process 1.1 DFD

Level 2 DFD Diagram

External Entities Customer Pizza Chef/Kitchen

Processes Selection of Pizza Check Inventory

Data stores Menu Data Order Inventory

Level 2 process 1.1.2 DFD

Level1 process 1.3 DFD

External Entities Branch Manager

Processes Select Report Processing Sales Report Processing Inventory Report Processing Order Report Processing

Data stores Sales Details Order Inventory

Level 1 of Process 1.3 DFD

Thank You!

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