Online News Portal Dataflow Diagram

Posted By freeproject on April 17, 2017

Online News Portal Data flow diagram is often used as a preliminary step to create an overview of the News Portal without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the News Portal process. It contains all of the userflow and their entities such all the flow of News, Articles, Content, News Type, Weather News, Internation News, Category. All of the below diagrams has been used for the visualization of data processing and structured design of the News Portal process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Online News Portal :

This is the Zero Level DFD of Online News Portal, where we have eloborated the high level process of News Portal. It’s a basic overview of the whole Online News Portal or process being analyzed or modeled. It’s designed to be an at-a-glance view of Weather News,Internation News and Category showing the system as a single high-level process, with its relationship to external entities of News,Articles and Content. It should be easily understood by a wide audience, including News,Content and Weather News In zero leve DFD of Online News Portal, we have described the high level flow of the News Portal system.

High Level Entities and proccess flow of Online News Portal:

  • Managing all the News
  • Managing all the Articles
  • Managing all the Content
  • Managing all the News Type
  • Managing all the Weather News
  • Managing all the Internation News
  • Managing all the Category
Zero Level DFD Online News Portal

First Level Data flow Diagram(1st Level DFD) of Online News Portal :

First Level DFD (1st Level) of Online News Portal 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 Online News Portal system as a whole. It also identifies internal data stores of Category, Internation News, Weather News, News Type, Content that must be present in order for the News Portal system to do its job, and shows the flow of data between the various parts of News, Content, Internation News, Category, Weather News 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 News Portal.

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

  • Processing News records and generate report of all News
  • Processing Articles records and generate report of all Articles
  • Processing Content records and generate report of all Content
  • Processing News Type records and generate report of all News Type
  • Processing Weather News records and generate report of all Weather News
  • Processing Internation News records and generate report of all Internation News
  • Processing Category records and generate report of all Category
First Level DFD Online News Portal

Second Level Data flow Diagram(2nd Level DFD) of Online News Portal :

DFD Level 2 then goes one step deeper into parts of Level 1 of News Portal. It may require more functionalities of News Portal to reach the necessary level of detail about the News Portal functioning. First Level DFD (1st Level) of Online News Portal shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Category, Internation News, Weather News, News Type, Content, Articles, News.

Low level functionalities of Online News Portal

  • Admin logins to the system and manage all the functionalities of Online News Portal
  • Admin can add, edit, delete and view the records of News, Content, Weather News, Category
  • Admin can manage all the details of Articles, News Type, Internation News
  • Admin can also generate reports of News, Articles, Content, News Type, Weather News, Internation News
  • Admin can search the details of Articles, Weather News, Internation News
  • Admin can apply different level of filters on report of News, News Type, Weather News
  • Admin can tracks the detailed information of Articles, Content, News Type, , Weather News
Second Level DFD Online News Portal
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