Questions for System Analysis & Design In a changing world What are the types of
ID: 3621108 • Letter: Q
Question
Questions for System Analysis & Design In a changing world
What are the types of information systems found in most organizations?
How can an individual lack of integrity or ethics impact an organization?
Describe the difference between models and tools?
Describe the difference between methodologies and techniques?
what is the primary difference between tools and techniques?
what is the primary difference between tangible and intangible benefits?
what is the difference between a logical model and a physical model?
what is the difference between a JAD facility and a GSS?
What is the difference between a fully developed description and an intermeditate description?
Describe a system scope document.
Describe a proof of concept prototype.
What are some of the reasons for creating models during systems development?
what are three types of models?
what is the purpose of an activity diagram?
what does an actor represent in a use case diagram?
how is a system viewed with the traditional approach?
Explanation / Answer
Purpose of activity diagram:
The activity diagram is used to show all possible sequence flows in an activity. It is typically used for modeling the logic captured in a specific use case in a use case diagram. Activity diagram can also be used to model a specific Actor's workflow with in the entire system. Activity diagram can also be used independent of use cases for other purposes such as to model business process of a system, to model detailed logic of business rules etc.
Role of actor in usecase diagram:
An actor in a use case diagram represents a role that someone may play, not an individual user of the system.An actor is a person, organization, or external system that plays a role in one or more interactions with the system and it performs certain roles in a given system. An actor in a use case diagram interacts with a use case.
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