Chapter 6 Quiz CIS 3060

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Use cases cannot interact with other use cases. Select one: True False

False

A class diagram resembles a horizontal flowchart that shows the actions and events as they occur. Select one: True False

False, activity diagram

After one identifies a system's objects, classes, and relationships, one should develop a(n) object relationship diagram that provides an overview of the system. Select one: True False

True

Class diagrams evolve into code modules, data objects, and other system components. Select one: True False

True

Some objects might have a few attributes; others might have dozens. Select one: True False

True

​In a state transition diagram, the states appear as rounded rectangles with the state names inside. Select one: True False

True

_____ is a widely used method of visualizing and documenting an information system. Select one: a. ​Unified Modeling Language (UML) b. ​Java Virtual Machine (JVM) c. ​UNiplexed Information and Computing System (UNIX) d. ​Multimedia Logic (ML)

a. ​Unified Modeling Language (UML)

The line from the actor to the use case is called a(n) _____. Select one: a. ​association b. ​aggregation c. ​lifeline d. ​observation

a. ​association

Inheritance enables an object, called a _____, to derive one or more of its attributes from a parent. Select one: a. ​child b. ​user c. ​package d. ​suite

a. ​child

A(n) _____ shows the object classes and relationships involved in a use case. Select one: a. ​class diagram b. ​association diagram c. ​use case diagram d. ​modeling diagram

a. ​class diagram

A sequence diagram _____. Select one or more: a. ​is a dynamic model of a use case b. ​is like a blueprint for all the objects within a class c. ​is another term for a state transition diagram d. ​shows the interaction among classes during a specified time period

a. ​is a dynamic model of a use case d. ​shows the interaction among classes during a specified time period

​In a sequence diagram, a _____ is identified by a line showing direction that runs between two objects. Select one: a. ​message b. ​procedure c. ​method d. ​response

a. ​message

A car performs a(n) _____ called OPERATE WIPERS when it is sent a message with the wiper control. Select one: a. ​method b. ​role c. ​command d. ​objective

a. ​method

A(n) _____ represents a person, a place, an event, or a transaction that is significant to the information system. Select one: a. ​object b. ​instance c. ​class d. ​model

a. ​object

An _____ shows the objects and how they interact to perform business functions and transactions. Select one: a. ​object relationship diagram b. ​object precedent chart c. ​object antecedent chart d. ​object interaction diagram

a. ​object relationship diagram

​For each use case, a _____ in the form of a table is developed to document the name of the use case, the actor, a description of the use case, and so forth. Select one: a. ​use case description b. ​use case diagram c. ​use case schematic d. ​use case outline

a. ​use case description

Kevin, the trainee analyst at Lynach TechSystems, is in charge of allocating suitable Unified Modeling Language (UML) notations to a particular class diagram. ​ ​Which of the following relationships corresponds to the Unified Modeling Language (UML) notation on the class diagram 0..1 that Kevin has written? Select one: a. ​An employee can have no direct reports or many direct reports. b. ​An employee can have no spouse or one spouse. c. ​An office manager manages one and only one office. d. ​One order can include one or many items ordered.

b. ​An employee can have no spouse or one spouse.

An object has certain _____, which are characteristics that describe the object, such as the make, model, and color of a car. Select one: a. ​keys b. ​attributes c. ​indices d. ​elements

b. ​attributes

In a sequence diagram, a lifeline is identified by a _____ line. Select one: a. ​solid b. ​dashed c. ​red d. ​curved

b. ​dashed

A _____ is a visual summary of several related use cases within a system or subsystem. Select one: a. ​use case description b. ​use case diagram c. ​use case schema d. ​use case matrix

b. ​use case diagram

_____ describes how instances of one class relate to instances of another class. Select one: a. ​A modifier b. ​A deliverable c. ​Scope d. ​Cardinality

c. scope

The Unified Modeling Language (UML) notation _____ identifies a zero or many relation. Select one: a. ​0..1 b. ​1..* c. ​0..* d. ​0..0

c. ​0..*

​_____ allows objects to be used as modular components anywhere in a system. Select one: a. ​Dynamic addressing b. ​Technical feasibility c. ​Encapsulation d. ​Linear addressing

c. ​Encapsulation

A(n) _____ is a group of similar objects. Select one: a. ​aggregate b. ​concatenation c. ​class d. ​packet

c. ​class

The black box concept is an example of _____, which means that all data and methods are self-contained. Select one: a. ​polymorphism b. ​inheritance c. ​encapsulation d. ​use case modeling

c. ​encapsulation

In an object-oriented system, objects can _____ certain attributes from other objects. Select one: a. ​broadcast b. ​concatenate c. ​inherit d. ​reformat

c. ​inherit

A major advantage of object-oriented (O-O) designs is that systems analysts can save time and avoid errors by using _____ objects. Select one: a. ​dynamic b. ​feasible c. ​modular d. ​linear

c. ​modular

When a use case diagram is created, the first step is to identify the system boundary, which is represented by a _____. Select one: a. ​triangle b. ​circle c. ​rectangle d. ​square

c. ​rectangle

Objects within a class can be grouped into _____, which are more specific categories within a class. Select one: a. ​grids b. ​units c. ​subclasses d. ​matrices

c. ​subclasses

A(n) _____ resembles a horizontal flowchart that shows the actions and events as they occur. Select one: a. ​state transition diagram b. ​sequence diagram c. ​business model diagram d. ​activity diagram

d. ​activity diagram

In a use case, an external entity, called a(n) _____, initiates a use case by requesting the system to perform a function or process. Select one: a. ​beneficiary b. ​user c. ​domain d. ​actor

d. ​actor

An object's _____ are the tasks or functions that the object performs when it receives a command to do so. Select one: a. ​roles b. ​utilities c. ​instances d. ​methods

d. ​methods

The Unified Modeling Language (UML) symbol for a use case is a(n) _____ with a label that describes the action or event. Select one: a. ​rectangle b. ​triangle c. ​dashed line d. ​oval

d. ​oval


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