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Flashcards in Use Case Diagrams Deck (14)
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1

what are use case UML diagrams used for

to communicate the scope of the tasks your information model supports and for whom

2

what is an actor in a use case diagram

they represent a role, ie a type of user of the information system

3

the lines and arrow point from the actor towards what

the functionality they are involved in

4

what is a use case

a function provided by the system

5

the set of all the use cases provided by the system together are called what

use case model

6

who/what could be an actor

users
external systems eg another system
physical environment eg weather

7

the textual description of a use case consists of what 6 parts

1. unique name
2. participating actors
3. entry conditions
4. exit conditions
5, flow of events
6. any special requirements

8

what does API stand for

Application Programming Interface

9

what would an example of special requirement of a use case be

error situations

10

in a use case model, what does a rectangle show

what use cases are in the scope of the system

11

use cases are drawn in what shape

ovals

12

use cases should be names using what type of words

action verbs

13

how can you tell the actor that initiates the action

direction of arrow
(points away from them if they initiate it)

14

steps in creating a use case diagram

1. identify each actor
2. identify each use case
3. link actors and use cases through relationship arrows