問題一覧
1
Models of the _____ are used during requirements engineering.Models of the existing system are used during requirements engineering.
existing system
2
Models of the ___ are used during requirements engineering to help explain the proposed requirements to other system stakeholders.Models of the new system are used during requirements engineering to help explain the proposed requirements to other system stakeholders.
new system
3
Models of the new system are used during requirements engineering to help explain the _____ to other system stakeholders.
proposed requirements
4
In a model-driven engineering process, it is possible to generate a complete or partial system implementation from the ____
system model
5
An ____, where you model the context or environment of the system.An external perspective, where you model the context or environment of the system.
external perspective
6
An ______, where you model the interactions between a system and its environment, or between the components of a system.
interaction perspective
7
A ____, where you model the organization of a system or the structure of the data that is processed by the system.
structural perspective
8
A _____, where you model the dynamic behavior of the system and how it responds to events.
behavioral perspective
9
_____, which show the activities involved in a process or in data processing .
activity diagrams
10
_____, which show the interactions between a system and its environment.
use case diagrams
11
_____, which show interactions between actors and the system and between system components.
sequence diagrams
12
____, which show the object classes in the system and the associations between these classes.Class diagrams, which show the object classes in the system and the associations between these classes.
class diagrams
13
_____, which show how the system reacts to internal and external events.
state diagrams
14
Context models are used to illustrate the ____. of a system - • They show what lies outside the system boundaries.
operational context
15
____ are established to define what is inside and what is outside the system.
system boundaries
16
The position of the ____ has a profound effect on the system requirements.
system boundary
17
____. simply show the other systems in the environment, not how the system being developed is used in that environment.
context models
18
____ reveal how the system being developed is used in broader business processes.
process models
19
____ may be used to define business process models.
uml activity diagrams
20
Modeling user interaction is used to identify user requirements
interaction models
21
We see ____ connections and ___ (behavioral) interactions.
structural and dynamic
22
___ were developed originally to support requirements elicitation and now incorporated into the UML.
use cases
23
Use cases were developed originally to support ____ and now incorporated into the UML.
requirements elicitation
24
Each use case represents a discrete task that involves ___ with a system.
external interaction
25
___ in a use case may be people, devices, or other systems.
actors
26
____ are part of the UML and are used to model the interactions between the actors and the objects within a system.
sequence diagrams
27
A ___ shows the sequence of interactions that take place during a particular use case or use case instance.
sequence diagrams
28
Represents a class or object in UML. The object symbol demonstrates how an object will behave in the context of the system. Class attributes should not be listed in this shape.
object symbol
29
Represents the time needed for an object to complete a task. The longer the task will take, the longer the activation box becomes.
activation box
30
Shows entities that interact with or are external to the system.
actor symbol
31
Used in UML 2.0 notation to contain interactive elements of the diagram. Also known as a frame, this rectangular shape has a small inner rectangle for labeling the diagram.
package symbol
32
Represents the passage of time as it extends downward. This dashed vertical line shows the sequential events that occur to an object during the charted process. Lifelines may begin with a labeled rectangle shape or an actor symbol.
lifeline symbol
33
Used to model if/then scenarios, i.e., a circumstance that will only occur under certain conditions.
option loop symbol
34
Symbolizes a choice (that is usually mutually exclusive) between two or more message sequences. To represent alternatives, use the labeled rectangle shape with a dashed line inside.
alternative symbol
35
show the system and its relationship with other systems.
architectural models
36
simply show the other systems in the environment, not how the system being developed is used in that environment.
context models
37
reveal how the system being developed is used in broader business processes.
process models
38
Interactions between objects are indicated by
annotated arrows