Question

Referring to the Needs analysis phase which illustrates the application of the systems engineering method to the needs analysis phase, write a description of the processes of the Operations analysis. Explain the nature and significance of the two processes represented by Analysis projected needs and Define operational approach, and of each internal and external interaction between Operational analysis and Functional analysis. The description should be more detailed than the definition of the step in the subsection describing the systems engineering method in needs analysis.

Answer 1

Ans:-

"Information stream charts are one of the three fundamental viewpoints of the organized frameworks examination and structure technique SSADM. The supporter of an undertaking and the end clients should be advised and counseled all through all phases of a framework's advancement. With an information stream graph, clients can imagine how the framework will work, what the framework will achieve, and how the framework will be executed. The old framework's dataflow graphs can be drawn up and contrasted and the new framework's information stream charts to attract correlations with actualize a progressively productive framework. Information stream outlines can be utilized to furnish the end client with a physical thought of where the information they input at last has an impact upon the structure of the entire framework from request to dispatch to report. How any framework is created can be resolved through an information stream outline display.

Over the span of building up a lot of leveled information stream outlines the examiner/originators is compelled to address how the framework might be decayed into part sub-frameworks, and to recognize the exchange information in the information display.

Information stream graphs can be utilized in both Analysis and Design period of the SDLC.

There are distinctive documentations to draw information stream charts (Yourdon and Coad and Gane and Sarson), characterizing diverse visual portrayals for procedures, information stores, information stream, and outside substances." [Data stream outline. Wikipedia]

The DFD (Yourdon and Coad documentation) model "Procedure of record receivable" was made utilizing the Concept .Draw PRO outlining and vector drawing programming reached out with the Data Flow Diagrams arrangement from the Software Development region of Concept.Draw Solution Park.