The ______________ of a relationship is 0 if there is no explicit need for the relationship to occur or the relationship is optional ?

Related Mcqs:

1. Which of the following term is best defined by the statement:”a structural relationship that specifies that objects of one thing are connected to objects of another” ?

   A. Association B. Aggregation C. Realization D. Generalization...

2. A ______________ is a graphical representation that depicts information flow and the transforms that are applied as data moves from input to output?

   A. data flow diagram B. state transition diagram C. control specification D. workflow diagram...

3. Which things in UML are the explanatory parts of UML models ?

   A. Structural things B. Behavioral things C. Grouping things D. Annotational things...

4. Classes and interfaces are a part of____________________?

   A. Structural things B. Behavioral things C. Grouping things D. Annotational things...

5. The use of design patterns for the development of object-oriented software has important implications for____________________?

   A. Component-based software engineering B. Reusability in general C. All of the mentioned D. None of the mentioned...

6. Which design pattern defines one-to-many dependency among objects ?

   A. Singleton pattern B. Facade Pattern C. Observer pattern D. Factory method pattern...

7. What establishes the profile of end-users of the system ?

   A. design model B. user’s model C. mental image D. system image...

8. Which of the following is golden rule for interface design ?

   A. Place the user in control B. Reduce the user’s memory load C. Make the interface consistent D. All of the mentioned...

9. Which of the following term is best defined by the statement:”The ability to represent local and global data is an essential element of component-level design.” ?

   A. Data representation B. Logic verification C. “Code-to” ability D. Automatic processing...

10. Which of the following is not needed to develop a system design from concept to detailed object-oriented design ?

    A. Designing system architecture B. Developing design models C. Specifying interfaces D. Developing a debugging system...