《11.Modeling Component-level Design》.docx

　一、客观题1：In the most general sense a component is a modular building block for computer software.? A) True? B) False??A?B 正确答案:?A2：The object constraint language (OCL) complements UML by allowing a software engineer to use a formal grammar to construct unambiguous statements about design model elements.? A) True? B) False??A?B 正确答案:?A3：Which of these is a graphical notation for depicting procedural detail?? A) process diagram?? B) decision table?? C) ER diagram?? D) flowchart??A?B?C?D 正确答案:?D4：In component-level design persistent data sources refer to? A) Component libraries?? B) Databases?? C) Files?? D) All of the above? E) both b and c??A?B?C?D?E 正确答案:?E5：Which of these constructs is used in structured programming?? A) branching?? B) condition?? C) repetition?? D) sequence? E) b, c, and d??A?B?C?D?E 正确答案:?E6：Which of these criteria are useful in assessing the effectiveness of a particular design notation?? A) maintainability?? B) modularity?? C) simplicity?? D) size? E) a, b, and c?A?B?C?D?E 正确答案:?E7：The use of stereotypes can help identify the nature of components at the detailed design level.? A) True? B) False??A?B 正确答案:?A8：In the context of object-oriented software engineering a component contains? A) attributes and operations?? B) instances of each class?? C) roles for each actor (device or user)?? D) a set of collaborating classes??A?B?C?D 正确答案:?D9：During component-level design it is customary to ignore organization issues like subsystem membership or packaging.? A) True? B) False??A?B 正确答案:?B10：Classes and components that exhibit functional, layer, or communicational cohesion are relatively easy to implement, test, and maintain.? A) True? B) False??A?B 正确答案:?A11：In traditional software engineering, modules must serve in which of the following roles?? A) Control component?? B) Infrastructure component?? C) Problem domain component?? D) All of the above??A?B?C?D 正确答案:?D12：Whic