TB Figure 17.3 is taken from the text figure showing the systems selection task and documents





Required:

Explode bubble 3.0 Systems Selection into a Level 1 DFD. The DFD should include the items listed below. The data flows for available hardware and physical requirements are listed twice because these data flows will each appear twice in the Level 1 DFD.



Process bubbles

3.1 Prepare requests for proposal

3.2 Evaluate vendor proposals

3.3 Assess software plan

3.4 Complete configuration plan



External entities

External sources

Hardware/ software vendors



Data flows

Approved configuration plan

Available hardware

Available hardware

Logical specification

Physical requirements

Physical requirements

Request for proposal

Software specifications

Suggested hardware resources

Vendor proposals


Business

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