Lab: milestone 5 – process modeling

  

Assignment 

As a systems analyst or knowledgeable end-user, you must learn how to draw data flow diagrams to model business process requirements. The preliminary investigation and problem analysis phases of the methodology have been completed and you understand the current system’s strengths, weaknesses, limitations, problems, opportunities, and constraints. You have already built the Context models (Milestone 3) to document business requirements for the new system. You now need to build the Level 0 (System) DFD and corresponding process models. 

Activities 

  1. Develop Level 0 DFD. Make      assumptions where necessary. 
  2. Draw one Child Diagram      using the Level 0 diagram.
  3. Continue decomposition of      one process up to primitive processes (Level 2, Level 3, etc.)

Deliverable format and software to be used are according to your instructor’s specifications. Deliverables should be neatly packaged in a binder, separated with a tab divider labeled “Milestone 5-Part II”.

References 

• Context Data Flow Diagram Narrative – Exhibit 5.1 

Deliverables:

Level 0 Data flow Diagram

Due:__/__/__

Time:______

Child level diagrams:   Due: __/__/__
 Time:_______

Assignment

The goal of this part of project is to write Structured English.

Activities

1. Write the Structured English for one-two primitive processes. Include sequential, decision making and iteration logics. Your instructor will indicate what specific processes to document.

References:

Previous narratives and supplied forms

Templates

See on-line learning center website for the textbook.

Deliverables:

Structured English:   Due:  __/__/__

Time:_______

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