Deck 11: Application Design I: Flow and Control

Question 1

A software application is a ________ entity.

A) static
B) progressive
C) dynamic
D) controlled

Answer 1

dynamic

Question 2

An application can be seen as ________ of objects and ________ among those objects to fulfill the requirements of the application.

A) a composition, the collaboration
B) the owner, residing
C) an integration, a rivalry
D) none of the above

Answer 2

a composition, the collaboration

Question 3

The flow of the application and how it controls and drives its components must be placed ________ on a designer's agenda.

A) somewhere
B) nowhere
C) low
D) high

Answer 3

high

Question 4

The difference between the flow of the application and the flow of its individual use cases is a difference in ________.

A) quality
B) scope
C) objective
D) quantity

Question 5

________ determine the flow of an application.

A) Control objects
B) Utility objects
C) Boundary objects
D) Real objects

Question 6

________ presents an idea of the solution in which only the most basic functions of the solution are conceived.

A) Concrete modeling
B) An application
C) A control object
D) Conceptual modeling

Question 7

________ modeling is about the "nuts and bolts" of the solution.

A) Structural
B) Concrete
C) Composition
D) Conductor

Question 8

Which of the of the following is NOT a major component of application software?

A) operating system
B) user interface
C) persistence
D) entity objects

Question 9

The task of ________ is to provide solutions to the users of an information system.

A) a utility program
B) an operating system
C) application software
D) an interface

Question 10

The only visible component of application software is ________.

A) the user interface
B) persistence
C) a business rule
D) utility

Question 11

Objects expose ________ to provide services requested by messages.

A) operations
B) attributes
C) methods
D) the interface

Question 12

________ are the transmission mechanism of software applications.

A) Objects
B) Attributes
C) Methods
D) Messages

Question 13

The ________ bundles the complex series of requests to the entity objects into a common workflow that is easily accessed by the boundary objects.

A) persistence object
B) control object
C) utility object
D) encapsulate object

Question 14

A high-level message from a ________ to the control object is converted into a series of messages from the control object to the entity objects.

A) utility object
B) persistence object
C) boundary object
D) interface object

Question 15

In analysis, a close examination of use cases leads us to the discovery of ________ and their relationships.

A) utility objects
B) boundary objects
C) entity objects
D) control objects

Question 16

In ________ we discover objects in the problem space and abstract them into entity classes.

A) analysis
B) design
C) programming
D) real life

Question 17

To plot the flow of an application, we must revisit ________ and re-examine them from the viewpoint of design.

A) use cases
B) utility classes
C) activity diagrams
D) interface objects

Question 18

In the ________ version of the sequence diagram, the participating objects are business objects.

A) design
B) programming
C) analysis
D) updated

Question 19

The ________ version adds new classes and fine-tunes the structure of the application until it arrives at detailed objects and detailed messages exchanged between these objects.

A) design
B) analysis
C) programming
D) maintenance

Question 20

In design, we need the entity object as well as boundary and control objects because the entity object ________.

A) is an analysis object
B) defines problem space
C) does not know how to provide services to another entity object.
D) is different from boundary and control objects

Question 21

Exchanging messages is fundamental to how an object-oriented ________ works.

A) application
B) interface
C) database
D) all of the above

Question 22

________ objects are responsible for managing a set of other objects.

A) Interface
B) Utility
C) Lifecycle
D) none of the above

Question 23

A(n) ________ creates, organizes, tracks, and destroys other objects, often instances of an entity class.

A) interface object
B) lifecycle object
C) utility object
D) flow object

Question 24

The need for lifecycle objects arises from ________.

A) the idea of divide and conquer
B) arranging the objects according to their importance
C) destroying unused objects
D) the fact that objects and classes are the same

Question 25

To move among objects within the collection, lifecycle classes provide a set of ________ operations.

A) sensitive
B) disorderly
C) navigational
D) none of the above

Question 26

A data set is a general-purpose ________ that carries data between objects within an application.

A) entity object
B) control object
C) boundary object
D) utility object

Question 27

Messages exchanged between objects carry or copy ________ from one container to another.

A) data
B) classes
C) orders
D) objects

Question 28

Each column in the dataset represents one ________.

A) object
B) method
C) operation
D) attribute

Question 29

Datasets are extensively used by ________ objects to transmit query results from the database to other objects within the application.

A) persistence
B) flow
C) control
D) index

Question 30

A dataset is a(n) ________ of rows and columns that cannot retain their identity outside the dataset.

A) aggregate
B) composition
C) collector
D) collective

Question 31

Each cell within the dataset exposes ________ of a certain type.

A) a set of data
B) a collection of objects
C) a single piece of data
D) a composite of data

Question 32

The control of an application is ________.

A) the composite of use cases
B) the composite of objects that direct the application-level flow
C) an aggregate of use cases
D) none of the above

Question 33

The application flow must fulfill ________ that go beyond individual use cases.

A) non-functional requirements
B) design rules
C) design objects
D) business rules

Question 34

To ask an object to perform a service, another object must ________ that corresponds in both substance and form to the method that provides the service.

A) provide a method
B) send a flow
C) send a message
D) provide a service

Question 35

An object is defined by what it ________.

A) knows
B) does
C) likes
D) both A & B

Question 36

Things that an object knows are called ________.

A) operations
B) attributes
C) both A & B
D) neither A nor B

Question 37

Things that an object does are called ________.

A) operations
B) attributes
C) both A & B
D) neither A nor B

Question 38

Attributes and operations of an object are ________.

A) unique
B) encapsulated within one package
C) public
D) in fact, the same thing

Question 39

What objects offer to outside entities are called its ________.

A) interface
B) services
C) signatures
D) any of the above

Question 40

A method's name, its parameters, the type and the relative position of each parameter, as well as the type of its return value are known collectively as the method's ________.

A) services
B) interface
C) signature
D) operations

Question 41

The object implements its services as an operation.

Question 42

Objects return a value after executing a method.

Question 43

The flow of an application is decided by control objects.

Question 44

The solution space mandates the responsibilities of "entity" classes.

Question 45

Every task performed by an application is handled by an object or the collaboration of a set of objects.

Question 46

An application is a static entity; once developed, it never changes again.

Question 47

Designing an information system is a complete break from analysis and should be considered an independent activity.

Question 48

Design is an evolution from a conceptual solution to a concrete one.

Question 49

Life cycle objects help to manage other objects.

Question 50

A dataset is a general-purpose control object.

Question 51

Lifecycle classes are collections. As a result, they are responsible for managing multiple objects, from a few to thousands.

Question 52

Datasets and their constituent objects are designed by developers.

Question 53

The difference between the flow of the an application and the flow of its individual use cases is a difference in quality.

Question 54

The application flow fulfills only functional requirements.

Question 55

The application flow directly interacts with entity objects.

Question 56

Design objects correspond to entities in the business domain.

Question 57

Entity classes correspond to "domain" or "business" objects.

Question 58

Methods are implementations of an object's private services.

Question 59

In analysis and early in design, names and labels are free-format.

Question 60

To plot the flow of an application, we do not need to revisit the use cases nor to re-examine them from the viewpoint of design.

Question 61

In analysis, we discover objects in the problem space and abstract them into information system classes.

Question 62

In design, we invent classes that we believe can help us with providing solutions.

Question 63

"Find" is a method for flow objects.

Question 64

Control objects can destroy other objects if that is what the application must do.

Question 65

Flow objects enforce the sequence of events as envisioned by use cases and sequence modelings.

Question 66

The attributes of an object should be exposed to the public only through accessor methods.

Question 67

The first object of an application is instantiated by the operating system. Thereafter, each object must be created by another object.

Question 68

Objects can instantiate themselves.

Question 69

A signature identifies a method to the outside world.

Question 70

The state of an application is a snapshot of the application in time.

Question 71

Conceptual modeling presents the "nuts and bolts" of the solution.

Question 72

An information system does not need applications to perform a task.

Question 73

The most notable boundary object is the user interface.

Question 74

An entity class is short-lived and not persistent.

Question 75

Flow objects enforce the workflow and the sequence of events as envisioned by behavioral and dynamic models.

Question 76

The challenge of complexity can be met only through a policy of divide-and-conquer.

Question 77

Lifecycle classes can only manage a small number of entity classes.

Question 78

The lifecycle object (usually) offers the objects within its care one at a time.

Question 79

A large-sized application is usually made of multiple "mini-apps," each with its own flow objects, and a complex use case may delegate its flow to several objects.

Question 80

Security is the only non-functional requirements to which design must attend.