TB Figure 17

question 144

Essay

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

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Definitions:

Transdermal Patches

Medication delivery systems that release drugs into the bloodstream through the skin.

Red Blood Cells

Also known as erythrocytes, these are the cells in the blood responsible for carrying oxygen from the lungs to the rest of the body and returning carbon dioxide back to the lungs.

Oxygen

A chemical element vital for most forms of life on Earth, used in respiration and medical therapies.

Carbon Dioxide

A gas found in the air, exhaled by all animals; the chemical formula is CO2.