E-R diagram for Airline management system is in the related links.
ticket airline reservation system use case diagram
i want use case diagram for online voting system
i want use case diagram for online banking system
can u prepare the use case diagram for simple payroll system?
sample human resource managment use case diagram
SoftwareHardware
use case dig for store mgt
Use case diagrams are used to show the various types of users on a system and the different ways that they interact with that system. They provide a graphical, simple representation of what your system must actually do.
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immediate pls -mca student
Activity diagram shows the work flow from start point to the end point detailing many decision points. Sequence shows detail flow of specific use case and it also shows interaction between actors, system and system components
Get a Ford Tempo repair manual. That should have a diagram of the cooling system. It's always a good idea to have one handy in case of emergrncies and easy do-it-yourself repairs. http://www.93Tempo.Citymax.com
The UML are behavioral diagram used to describe a set of actions that some systems(s) should or can perform in collaboration with one or more external users of the system. In this case, blood bank management systems.