Question

Discuss the validity of the statement - System level is the default level of scope (i.e., if we say nothing about the level of a use case, the use case is at system level).

Answer 1

The system level is the default level of scope for the use case diagram, this is because it contains only one process that represents the entire system. The system-level diagram is also known as the context diagram, the context diagram just contains the main process which shows all the requirements and constraints for the process. It shows all the entities that interact with the system also the requirements of the system.

So, the system level is the default scope of the diagram as it only shows one process which shows all the entities of the system and also the requirements and constraints.

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