What is System Analysis & Design?

 


 Definition according to me:

From above all discussion, we concluded on a point that :

 'SAD' mainly focus on: 

>System

>Processes

>Technology

Definition according to Wikipedia:

Systems Analysis and Design, an interdisciplinary part of science, may refer to:

*Systems analysis, a method of studying a system by examining its component parts and their interactions 

*Structured data analysis (systems analysis), analysing the flow of information within an organization with data-flow diagrams 

*Systems design, the process of defining the architecture, components, and data of a system to satisfy specified requirements 

*Object-oriented analysis and design, an approach to analysis and design of an application, system, or business that emphasizes modularity and visual modeling 

*Service-oriented analysis and design, a method of Service-oriented modeling to design business systems 

*Structured analysis, methods in software engineering for converting specified requirements into software programs and hardware configurations 

*Structured systems analysis and design method, a systems approach to the analysis and design of information systems

According to YouTube:

Definition of System, Analysis & Design : In very simple word,  system analysis and design is a study in which we learn how to analyze an existing system and create a better one.

screenshot.............



Why we need System, Analysis & Design :

-- For System Development

        ~ Creating a new one

        ~ Updating the existing one

System, Analysis & Design
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                    System Analysis                              ----------                                          System Design



System Analysis:

System analysis is a process of  studying and observing a system to know how it works and to identify its goal and purpose.

System analysis is conducted for the purpose of studying a system or its parts in order to identify its objectives.

It specifies "what the system do".



System Design:

It is a process of planning a new system or replacing an existing system.

It is done by defining its components or modules to satisfy the specific requirements.

It focuses on "how to accomplish the objective of the system". 




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System Analysis & Design.

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#systemanalysisanddesign #systemanalysis #systemdesign

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BCA,                    SAD(System Analysis & Design),                    Allrounder Sita Ram Sahu



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