siaNOTES

 An actor is outside or external the scenario /system. It can all of these EXCEPT:

• Hardware

• Subsystem

• Time-based Event

• All of these can be actors

• Time

Use case diagrams illustrate the activities that are performed by the____of the system

• actions

• users

• developers

• functions

A bank customer stops by her bank's ATM to withdraw money from her checking account. In this case, who is the primary business actor?

• Bank

• Customer

• Bank teller

• Money withdrawal authorization company

Relationships are a:

• one-way association

• two-way association

• three-way association

• None of the above

Use cases increase redundancy in use cases and allow clear representation

• True

• False

These are questions we ask when identifying actors EXCEPT:

• Do people contribute to the overall project cost?

• Do several people play the same role?

• Does one person play several different roles?

• What other entity is interested in the scenario/system?

What is an actor in a use case diagram?

• A representation of a system component

• Any entity interacting with the system

• A class representing a specific behavior

• Represents actions or functions that the system needs to perform

Use case diagrams are closely connected to____It is an example of what happens when someone interacts with the system.

• scenarios

• environments

• modules

• actors

Identifying actors is a/an_ process. Defining how an actor interacts with the system mag clarify

whether there are duplicate actors or not.

• iterative

• immediate

• double

• single

A sequence of actions a system performs that yields a valuable result for a particular___.

• action

• actor

• Use case

• function