SYSTEMS ANALYSIS AND DESIGN 10TH EDITION HARRY J. ROSENBLATT - TEST BANK

SYSTEMS ANALYSIS AND DESIGN 10TH EDITION HARRY J. ROSENBLATT – TEST BANK

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

1. The _____ is a widely used method of visualizing and documenting an information system.

 

1. BPM
   b. UML
2. O-O
3. ISO

 

Analysis:

1. Incorrect. See [Page 226]
2. Correct.
3. Incorrect. See [Page 226]
4. Incorrect. See [Page 226]

 

2. An object has certain _____, which are characteristics that describe the object.

 

1. attributes
   b. methods
2. messages
3. classes

 

Analysis:

1. Correct.
2. Incorrect. See [Page 226]
3. Incorrect. See [Page 226]
4. Incorrect. See [Page 226]

 

3. The black box concept is an example of _____, which means that all data and methods are self-contained.

 

1. polymorphism
2. inheritance
3. encapsulation
4. cardinality

 

Analysis:

1. Incorrect. See [Page 232]
2. Incorrect. See [Page 232]
3. Correct.
4. Incorrect. See [Page 232]

 

 

4. _____ enable objects to communicate and interact as they perform business functions and transactions required by the system.

 

1. Messages
2. Methods
3. Relationships
4. Activities

 

Analysis:

1. Incorrect. See [Page 234]
2. Incorrect. See [Page 234]
3. Correct.
4. Incorrect. See [Page 234]

 

5. A(n) _____ represents the steps in a specific business function or process.

 

1. superclass
2. use case
3. subclass
4. activity

Analysis:

1. Incorrect. See [Page 235]
2. Correct.
3. Incorrect. See [Page 235]
4. Incorrect. See [Page 235]

 

6. To create a(n) _____ diagram, the use case is reviewed and the classes that participate in the underlying business process are identified.

 

1. state transition
2. use case
3. activity
4. class

 

Analysis:

1. Incorrect. See [Page 238]
2. Incorrect. See [Page 238]
3. Incorrect. See [Page 238]
4. Correct.

 

 

7. The class diagram includes a concept called _____, which describes how instances of one class relate to instances of another class.

 

1. cardinality
2. polymorphism
3. inheritance
4. state transition

 

Analysis:

1. Correct.
2. Incorrect. See [Page 238]
3. Incorrect. See [Page 238]
4. Incorrect. See [Page 238]

 

8. A(n) _____ represents the time during which the object above it is able to interact with the other objects in the use case.

 

1. class
2. message
3. lifeline
4. focus

 

Analysis:

1. Incorrect. See [Page 240]
2. Incorrect. See [Page 240]
3. Correct.
4. Incorrect. See [Page 240]

 

9. A(n) _____ indicates when an object sends or receives a message and is identified by a narrow vertical shape that covers the lifeline.

 

1. focus
2. activity
3. instance
4. subclass

 

Analysis:

1. Correct.
2. Incorrect. See [Page 241]
3. Incorrect. See [Page 241]
4. Incorrect. See [Page 241]

 

 

10. Business process modeling works well with object modeling, because both methods focus on the _____ and the way they behave.

 

1. pools
2. parents
3. children
4. actors

 

Analysis:

1. Incorrect. See [Page 242]
2. Incorrect. See [Page 242]
3. Incorrect. See [Page 242]
4. Correct.

 

1. A(n) _______________ represents a real person, place, event, or transaction.

Answer:

object. See page 226.

2. _______________ is the concept that a message can give different meanings to different objects.

Answer:

Polymorphism. See page 231.

3. A major advantage of object-oriented designs is that systems analysts can save time and avoid errors by using _______________

Answer:

modular. See page 232.

4. The strongest relationship, which enables an object to derive one or more of its attributes from another object, is called _______________.

Answer:

inheritance. See page 234.

5. A use case is initiated by a(n) _______________, which is an external entity that requests the system to perform a function or process.

Answer:

actor. See page 235.

6. A(n) _______________ documents the name of the use case, the actor, a description of the use case, a step-by-step list of the tasks and actions required for successful completion, a description of alternative courses of action, preconditions, postconditions, and assumptions.

Answer:

use case description. See page 236.

7. The first step in creating a use case diagram is to identify the _______________, which shows what is included in a system and what is not included in the system.

Answer:

system boundary. See page 238.

8. A(n) _______________ graphically documents the use case by showing the classes, the messages, and the timing of the messages.

Answer:

sequence diagram. See page 240.

9. _______________ are able to display multiple use cases in the form of a grid, where classes are shown as vertical bars and actions appear as horizontal arrows.

Answer:

Activity diagrams. See page 242.

10. After you identify the system’s objects, classes, and relationships, you should develop an _______________ diagram that provides an overview of the system.

Answer:

object relationship. See page 244.

 

1. The end product of object-oriented analysis is an object model, which represents the information system in terms of objects and object-oriented concepts.
   T
   Correct.
   F
   Incorrect. See page 226.

 

2. An attribute defines specific tasks that an object can perform.
   T
   Incorrect. See page 230.
   F
   Correct.

 

3. Objects within a class can be grouped into subclasses, which are more specific categories within a class.
   T
   Correct.
   F
   Incorrect. See page 232.

 

4. The Unified Modeling Language is a popular technique for documenting and modeling a system.
   T
   Correct.
   F
   Incorrect. See page 235.

 

5. The starting point for creating use cases is the review of the information gathered during the methods modeling phase.
   T
   Incorrect. See page 236.
   F
   Correct.
6. A class diagram is a physical model that evolves into a logical model and finally becomes a functioning information system.
   T
   Incorrect. See page 238.
   F
   Correct.

 

7. A state transition diagram shows how an object changes from one state to another, depending on events that affect the object.
   T
   Correct.
   F
   Incorrect. See page 241

 

8. Examples of static modeling tools include sequence diagrams, state transition diagrams, and activity diagrams.
   T
   Incorrect. See page 242.
   F
   Correct.

 

9. CASE tools are used by systems analysts to speed up the process of creating diagrams, which can be time consuming and tedious if completed by hand.
   T
   Correct.
   F
   Incorrect. See page 244.

 

10. It is recommended that use cases and use case diagrams be organized so they can be linked to the appropriate class, state transition, sequence, and activity diagrams.
    T
    Correct.
    F
    Incorrect. See page 244.