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Flashcards in Chapter 7 Deck (17)
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1
Q

user centered development

A

a process of systems development based on understanding the needs of the stakeholders and the reasons why the systems should be developed

2
Q

use case modeling

A

the process of modeling a systems functions in terms of business events, who initiated the events, and how the system responds to those events

3
Q

what s a use case?

A

a diagram that depicts the interactions between the system and the external systems and users

4
Q

use case narrative

A

a textual description of the business event and how the user will interact with the system to accomplish the task

5
Q

use case symbol

A

descriptions of system functions from the perspective of external users in a manner and terminolgy they understand

represented by an oval

6
Q

Actor

A

anyone or anything that needs to interact with the system to exchange information (actors have goals)

7
Q

temporal event

A

a system event triggered by time

8
Q

what are the four types of actors

A

primary business actor

primary system actor

external server actor

external receiver actor

9
Q

primary business actor

A

the stakeholder that benefits from the execution of the use case

ex) the employee receiving the paycheck

10
Q

primary system actor

A

the stakeholder that directly interfaces with the system to initiate or trigger the business or system event

ex) the bank teller entering deposit info

11
Q

external server actor

A

the stakeholder that responds to a request from the use case

ex) the credit card company authorizing a charge

12
Q

external receiver actor

A

the stakeholder that is not the primary actor but receives something of value from the use case

ex) the warehouse receiving a shipment

13
Q

association relationship

A

a relationship between an actor and a use case in which an interaction ocurs between them

14
Q

extends relationship

A

a variation on normal behavior to include additional, optional behavior

15
Q

includes relationship

A

a relationship that defines a use case contains the behavior defined in another use case

16
Q

the process of requirements use case modeling

A
  1. identify business actors
  2. identify business use cases
  3. construct use case model diagram
  4. documents business requirements use case narratives
17
Q

business requirementa use case

A

a use case created during requirements analysis to capture the interactions between a user and the system free of technology and implementation details