Decision Support System Dataflow Diagram

Posted By namita on July 1, 2017
Decision Support System Data flow diagram is often used as a preliminary step to create an overview of the Decision without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Decision process. It contains all of the userflow and their entities such all the flow of Decision, Information, Research, Projects, Investigations, Researcher, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Decision process and working flow.

Zero Level Data flow Diagram(0 Level DFD) of Decision Support System :

This is the Zero Level DFD of Decision Support System, where we have eloborated the high level process of Decision. It’s a basic overview of the whole Decision Support System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Investigations,Researcher and Login showing the system as a single high-level process, with its relationship to external entities of Decision,Information and Research. It should be easily understood by a wide audience, including Decision,Research and Investigations In zero leve DFD of Decision Support System, we have described the high level flow of the Decision system.

High Level Entities and proccess flow of Decision Support System:

  • Managing all the Decision
  • Managing all the Information
  • Managing all the Research
  • Managing all the Projects
  • Managing all the Investigations
  • Managing all the Researcher
  • Managing all the Login
Zero Level Data flow Diagram(0 Level DFD) of Decision Support System

First Level Data flow Diagram(1st Level DFD) of Decision Support System :

First Level DFD (1st Level) of Decision Support System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Decision Support System system as a whole. It also identifies internal data stores of Login, Researcher, Investigations, Projects, Research that must be present in order for the Decision system to do its job, and shows the flow of data between the various parts of Decision, Research, Researcher, Login, Investigations of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Decision.

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Decision records and generate report of all Decision
  • Processing Information records and generate report of all Information
  • Processing Research records and generate report of all Research
  • Processing Projects records and generate report of all Projects
  • Processing Investigations records and generate report of all Investigations
  • Processing Researcher records and generate report of all Researcher
  • Processing Login records and generate report of all Login
First Level Data flow Diagram(1st Level DFD) of Decision Support System

Second Level Data flow Diagram(2nd Level DFD) of Decision Support System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Decision. It may require more functionalities of Decision to reach the necessary level of detail about the Decision functioning. First Level DFD (1st Level) of Decision Support System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Researcher, Investigations, Projects, Research, Information, Decision.

Low level functionalities of Decision Support System

  • Admin logins to the system and manage all the functionalities of Decision Support System
  • Admin can add, edit, delete and view the records of Decision, Research, Investigations, Login
  • Admin can manage all the details of Information, Projects, Researcher
  • Admin can also generate reports of Decision, Information, Research, Projects, Investigations, Researcher
  • Admin can search the details of Information, Investigations, Researcher
  • Admin can apply different level of filters on report of Decision, Projects, Investigations
  • Admin can tracks the detailed information of Information, Research, Projects, , Investigations
Second Level Data flow Diagram(2nd Level DFD) of Decision Support System
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