TB Figure 17

question 79

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:

Dual Processing

The principle that information is often simultaneously processed on separate conscious and unconscious tracks in the human mind.

Synchronized Activity

Involves multiple components or individuals acting in unison and coordination, often seen in systems or group behaviors.

Bits Information

The smallest unit of data in computing, representing a single binary value of 0 or 1.

Process Information

The method by which individuals perceive, analyze, and interpret information from their environment to make decisions or solve problems.