4.3 DATA FLOW DIAGRAM A data flow diagram is a graphical technique that depicts information flow and transforms that are applied as data move from input to output. The DFD is also known as Data Flow Graph or Bubble Chart. The DFD is used to represent increasing information flow and functional details. Also DFD can be stated as the starting point of the design phase that functionally decomposes the requirements specifications down to the lowest level of detail. A Level 0 also called a fundamental
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Objectives What are Data Flow Diagrams (DFDs)? Why they are useful? How are they developed? How to level DFDs? Good style conventions in developing DFDs Difference between Logical and Physical DFDs Tools available to draw DFDs V. Rajaraman/IISc. Bangalore //V1/June 04/1 System Analysis and Design/ Tools for systems analysts Motivation Motivation WHY DFD ? Provides an overview of -What data a system processes -What transformations are performed -What data are stored -What
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TYPES OF DATA FLOW DIAGRAM: LOGICAL DFD PHYSICAL DFD Data Flow Diagrams (DFDs) are categorized as either logical or physical. A logical DFD focuses on the business and how the business operates. It describes the business events that take place and the data required and produced by each event. On the other hand‚ a physical DFD shows how the system will be implemented. Design Feature Logical Physical What the model depicts How the business operates How the system will be implemented
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The doctor-patient relationship has always been the corner stone of health care delivery. In order to fully appreciate the impact MCOs brought on this relationship‚ one must first understand the doctor-patient relationship concept. The doctor–patient relationship has been and remains a keystone of care: the medium in which data are gathered‚ diagnoses and plans are made‚ compliance is accomplished‚ and healing‚ patient activation‚ and support are provided (Lipkin‚ 1995). Issues that have affected
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Level (0) Data Flow Diagram [pic] Level (1) Data Flow Diagram of General Enquiry [pic] Level 1DFD of Passenger Enquiry Section [pic] Level 2 DFD of Booking [pic] Level 2 DFD Cancellation ----------------------- Passenger 1.0 General Enquiry 2.0 Passenger Enquiry 3.0 Booking Counter 4.0 Cancellation Information Booking Inquiry
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differences between fixed charge and floating charge are easy to recognize charges with certain assets are known as fixed charges. Charges created on assets that change regularly are floating charges. Fixed charge is special nature do not like floating charge is dynamic. There is a voluntary in moveable asset and compulsory in fixed charges for the registration. On the other hand‚ when there is a floating charge‚ the registration is mandatory regardless of the type of assets. Fixed charge is a legal
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0718–1876 Electronic Version VOL 4 / ISSUE 2 / AUGUST 2009 / 20-30 © 2009 Universidad de Talca - Chile This paper is available online at www.jtaer.com DOI: 10.4067/S0718-18762009000200003 Using Visual Analytics to Improve Hospital Scheduling and Patient Flow Janna Anneke Fitzgerald1 and Ann Dadich2 University of Western Sydney‚ Centre for Industry and Innovation Studies 1 a.fitzgerald@uws.edu.au‚2 a.dadich@uws.edu.au Received 8 January 2009; received in revised form 24 May 2009; accepted 15 June
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Question 3 (a) (i) There are four differences between a fixed charge and a floating charge. One of the differences is a fixed charge is a charge which attaches to specific identifiable assets. The examples of specific identifiable assets are factory‚ building and land. On the other hand‚ a floating charge can be created on asets whch are presnt and futur. Floating charge does not attach to specific asset which changes from time. It is a chage on clas of aset instead on a specfic aset according
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Nurse Patient Relationship Nurse-patient relationship According Cutliffe and McKenna (2005)‚ research‚ theoretical and educational literature on interpersonal relations between nurses and patients has proliferated since the 1960s. This has generated a range of divergent accounts of what the nurse-patient relationship (NPR) ought to be‚ how this should be achieved‚ and how the NPR is constituted in practice. I have chosen the concept of nurse-patient relationship because this relationship
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Pher Pher A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system‚ modeling its process aspects. Often they are a preliminary step used to create an overview of the system which can later be elaborated.[2] DFDs can also be used for the visualization of data processing (structured design). A DFD shows what kinds of data will be input to and output from the system‚ where the data will come from and go to‚ and where the data will be stored. It
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