![]() Here LOGIN is the Base Use Case and INVALID PASSWORD is Extended Use Case. However under certain situations it might use action corresponding to INVALID PASSWORD. However if the details entered by the user are incorrect, software must be able to catch and display problem to the user and allow the user to re-enter details. If a user enters appropriate details, user is allowed to Login. Here LOGIN is the Base Use Case and AUTHENTICATE is the Included Use Case. Software must check and verify the details at every attempt to Login. What is the difference between a use case model and a use case diagram Is the use case the most effective process modeling tool How do I find use cases I've heard a lot about UML (Unified Modeling Language) and the Unified Process. ISRO CS Syllabus for Scientist/Engineer ExamĪ user must provide appropriate details to securely Login.Actors are denoted as stick person icons. Actor classes are used to model and represent roles for 'users' of a system, including human users and other systems. ISRO CS Original Papers and Official Keys To successfully apply use case diagrams, we must first understand the types of elements used in use case diagrams.GATE CS Original Papers and Official Keys. ![]()
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