- Posted By: namita
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Posted By namita on July 5, 2017
Internet Cafe Data flow diagram is often used as a preliminary step to create an overview of the Internet without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Internet process. It contains all of the userflow and their entities such all the flow of Users, Internet Speed, Time slot, Hours, Calculate Bills, Report Generate, Login. All of the below diagrams has been used for the visualization of data processing and structured design of the Internet process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Internet Cafe :
This is the Zero Level DFD of Internet Cafe, where we have eloborated the high level process of Internet. It’s a basic overview of the whole Internet Cafe or process being analyzed or modeled. It’s designed to be an at-a-glance view of Calculate Bills,Report Generate and Login showing the system as a single high-level process, with its relationship to external entities of Users,Internet Speed and Time slot. It should be easily understood by a wide audience, including Users,Time slot and Calculate Bills In zero leve DFD of Internet Cafe, we have described the high level flow of the Internet system.High Level Entities and proccess flow of Internet Cafe:
- Managing all the Users
- Managing all the Internet Speed
- Managing all the Time slot
- Managing all the Hours
- Managing all the Calculate Bills
- Managing all the Report Generate
- Managing all the Login
First Level Data flow Diagram(1st Level DFD) of Internet Cafe :
First Level DFD (1st Level) of Internet Cafe 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 Internet Cafe system as a whole. It also identifies internal data stores of Login, Report Generate, Calculate Bills, Hours, Time slot that must be present in order for the Internet system to do its job, and shows the flow of data between the various parts of Users, Time slot, Report Generate, Login, Calculate Bills 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 Internet.Main entities and output of First Level DFD (1st Level DFD):
- Processing Users records and generate report of all Users
- Processing Intrrnet Speed records and generate report of all Internet Speed
- Processing Time slot records and generate report of all Time slot
- Processing Hours records and generate report of all Hours
- Processing Calculate Bills records and generate report of all Calculate Bills
- Processing Report Generate records and generate report of all Report Generate
- Processing Login records and generate report of all Login
Second Level Data flow Diagram(2nd Level DFD) of Internet Cafe :
DFD Level 2 then goes one step deeper into parts of Level 1 of Internet. It may require more functionalities of Internet to reach the necessary level of detail about the Internet functioning. First Level DFD (1st Level) of Internet Cafe shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Login, Report Generate, Calculate Bills, Hours, Time slot, Internet Speed, Users.Low level functionalities of Internet Cafe
- Admin logins to the system and manage all the functionalities of Internet Cafe
- Admin can add, edit, delete and view the records of Users, Time slot, Calculate Bills, Login
- Admin can manage all the details of Internet Speed, Hours, Report Generate
- Admin can also generate reports of Users, Internet Speed, Time slot, Hours, Calculate Bills, Report Generate
- Admin can search the details of Internet Speed, Calculate Bills, Report Generate
- Admin can apply different level of filters on report of Users, Hours, Calculate Bills
- Admin can tracks the detailed information of Internet Speed, Time slot, Hours, , Calculate Bills
