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difference between physical and logical data flow diagrams.
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What is the difference between dfd 0 and dfd 1?
dfd0 is a bigger scope in less detail than dfd1 which is much more detailed
Difference between activity diagram and dfd?
In data flow diagrams, the lines between "boxes" represent data that flows between components of a system. Because these only show the flow of data, they do not give an indication of sequencing.In activity diagrams, those lines are simply transitions between activities and do not represent data flow at all. They more represent the sequencing of activities and decisions. You can tell from these what order things happen in.
The difference between context diagram and level 0 diagram?
they are not different they are similar as level 0 DFD represents the primary individual process in system at highest level it is also called context diagram. It describes the overall system at highest level describing which element is inside and which element is outside the system..... youngheart_riwaj@yahoo.com
How do you create DFD for solving general quadratic equation?
bhoosde ke ans to de
What is the Difference between physical DFD and logical DFD?
For a physical Data Flow Diagram you explore into the logical DFD. for example, if you have a data flow arrow declared as "customer information" now the physical DFD would include in that data flow arrow "customer information = customer_name + customer_address". something along these lines Physical DFD shows how various functions are performed and who does them but Logical DFD strips away all physical constraints but does not restrict physical happenings from taking place.
What is logical dfd?
the dfd which independent view of the system is called logical dfd
Brief in What is the Difference between physical DFD and logical DFD?
A logical DFD makes it easier to communicate for the employees of an organization, leads to more stable systems, allows for better understanding of the system by analysts, is flexible and easy to maintain, and allows the user to remove redundancies easily. On the other hand, a physical DFD is clear on division between manual and automated processes, gives detailed description of processes, identifies temporary data stores, and adds more controls to make the system more efficient and simple. simply put… 1. Logical DFDs are not concerned about how the system is or will be constructed while Physical DFDs show how the system is or will be constructed. 2. Physical DFDs are more realistic and complex while Logical DFDs are simpler but provide an easier understanding view
What is physical dfd?
A Physical Data Flow Diagram is a diagram showing howparticular functions are performed within the data flow as opposed to a Logical DFD which only shows what functions are performed.
What is the difference between dfd 0 and dfd 1?
dfd0 is a bigger scope in less detail than dfd1 which is much more detailed
DFD of online banking?
context diagram, logical level 0 diagram and logical level 1 diagrams
Difference between dfd and er diagram?
actually dfd is used to define how data flow from one process to another process where as er diagram is used to define relation between different entities.
In drawing DFD what is difference between Gane and Sarson and DeMarco and Yourdon symbol or just the symbol difference and result will be same?
yes
What is the difference between entity relationship diagram and data flow diagram?
DFD basically describe the flow of data, means how data can be flow in a system where as ERD defines the relationship between entities. -> There is no such constrainst like cardinality,participation in dfd as compare to Erd.. ->In DFD, we show the storage of file using Parallel line where as ERD is just a conceptual represantation of data... ATUL
DFD for library management?
i want dfd on library management i want dfd on library management
DFD for online Tourism?
DFD for inline tourism
DFD Hospital Management System?
Hospital dfd
