9781111969752_TB_ch13 - Chapter 13 System Modeling with the...

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Chapter 13: System Modeling with the UML TRUE/FALSE 1. Good models promote communication among technical and nontechnical workers while ensuring good business solutions. ANS: T PTS: 1 REF: 524 2. Good modeling techniques are only important as the size and complexity of systems increase. ANS: F PTS: 1 REF: 524 3. The UML is a programming language. ANS: F PTS: 1 REF: 525 4. As with a hierarchy chart, you use the UML to create top-view diagrams of business processes that let you hide details and focus on functionality. ANS: T PTS: 1 REF: 525 5. The UML superstructure groups the diagram types into two broad categories: structure diagrams and object diagrams. ANS: F PTS: 1 REF: 526 6. An Object diagram often includes users, represented by stick figures, and use cases, represented by ovals. ANS: F PTS: 1 REF: 527 7. Child classes contain all the attributes of their parents and usually contain additional attributes not found in the parent. ANS: T PTS: 1 REF: 534 8. The flow of control follows only one path after a fork. ANS: F PTS: 1 REF: 541 9. Because of its size and imprecision, the UML is relatively difficult to learn. ANS: T PTS: 1 REF: 546 10. The UML is widely recognized and seldom criticized as a modeling standard. ANS: F PTS: 1 REF: 546 MULTIPLE CHOICE
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1. The ____ allows you to envision systems with an object-oriented perspective, breaking a system into subsystems, focusing on the big picture, and hiding the implementation details. a. HTML c. UML b. XHTML d. XML ANS: C PTS: 1 REF: 524 2. ____ is the process of creating an improved model of an existing system. 3. You can use the UML’s ____ to construct different kinds of software diagrams and model different kinds of systems. 4. When you draw a flowchart or write pseudocode, your purpose is to illustrate the individual steps in a(n) ____. 5. ____ find class and object diagrams more useful because they help explain details of how to build classes and objects into applications. a. Users c. Customers b. Programmers d. Managers ANS: B PTS: 1 REF: 526 6. The ____ diagram shows how a business works from the perspective of those who actually interact with the business.
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  • Fall '15
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