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Welcome to the Software Design Concepts MCQs Page

Dive deep into the fascinating world of Software Design Concepts with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Software Design Concepts, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Software Design Concepts, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Engineering.

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Check out the MCQs below to embark on an enriching journey through Software Design Concepts. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Software Design Concepts. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Software Design Concepts MCQs | Page 57 of 79

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Q561.
What is the definition of afferent coupling (Ca) in the context of package level coupling measures?

a.

The number of other packages that depend upon classes within a package

b.

The number of packages that classes within a package depend upon

c.

The total number of dependencies between a package and its environment

d.

The instability measure for a package

Discuss
Answer: (a).The number of other packages that depend upon classes within a package Explanation:Afferent coupling (Ca) of a package is defined as the number of other packages that depend upon classes within that package, through inheritance or associations.
Q562.
What is the significance of the ratio I in package level coupling measures?

a.

It indicates the dependence of the environment on a package

b.

It indicates the relative dependence of the environment to a package with respect to the total number of dependencies between them

c.

It indicates the lack of dependence of a package on other packages

d.

It indicates the stability of a package

Discuss
Answer: (b).It indicates the relative dependence of the environment to a package with respect to the total number of dependencies between them Explanation:The ratio I = Ce/(Ce + Ca) indicates the relative dependence of the environment to a package with respect to the total number of dependencies between them.
Q563.
What does a value of I equal to 0 denote in package level coupling measures?

a.

The package only depends on other packages

b.

The package does not depend at all on other packages

c.

The environment does not depend at all on the package

d.

The environment depends completely on the package

Discuss
Answer: (b).The package does not depend at all on other packages Explanation:If Ce (efferent coupling) equals zero, the package does not depend on any other packages, and I = 0 as well.
Q564.
What does a value of I equal to 1 denote in package level coupling measures?

a.

The package only depends on other packages

b.

The package does not depend at all on other packages

c.

The environment does not depend at all on the package

d.

The environment depends completely on the package

Discuss
Answer: (d).The environment depends completely on the package Explanation:If Ca (afferent coupling) equals zero, the package only depends on other packages and no other package depends on it. In that case, I = 1.
Q565.
What is the definition of the response set in the context of RFC (Response for Class) metric?

a.

The total number of dependencies between a class and its environment

b.

The number of elements in the set of messages that may potentially be executed if a message is sent to an object of a class

c.

The immediate surroundings of a class

d.

The number of messages called from a method

Discuss
Answer: (b).The number of elements in the set of messages that may potentially be executed if a message is sent to an object of a class Explanation:The response set of a class is defined as the set of messages that may potentially be executed if a message is sent to an object of that class. It is calculated as the set of methods called from methods in the class, up to one level deep.
Q566.
What does a higher value of RFC indicate about a class?

a.

The class is easier to comprehend and has a smaller test time and complexity

b.

The immediate surroundings of the class is larger in size, with a lot of communication with other methods or classes

c.

The class is cohesive, with all methods using the same state variables

d.

The class has a smaller number of disjoint sets of methods

Discuss
Answer: (b).The immediate surroundings of the class is larger in size, with a lot of communication with other methods or classes Explanation:RFC (Response for Class) is a measure of the immediate surroundings of a class. The higher the value of RFC, the larger the size of the immediate surroundings and the more communication with other methods or classes, making the class more difficult to comprehend and increasing its test time and complexity.
Q567.
What have been found to be the more useful quality indicators among object-oriented metrics?

a.

WMC, CBO, RFC, and LCOM

b.

DIT and NCO

c.

Only class size

d.

Other metrics that haven't been validated extensively

Discuss
Answer: (a).WMC, CBO, RFC, and LCOM Explanation:WMC, CBO, RFC, and LCOM have been found to be the more useful quality indicators among object-oriented metrics, while the merits of DIT and NCO remain unclear. Many of these metrics are correlated with class size and it remains questionable whether these metrics tell more than a plain LOC count.
Q568.
What is the focus of object-oriented design compared to other design methods?

a.

Functions of the system

b.

Data on which the system is to operate

c.

Notational device for the outcome of requirements engineering and design

d.

Guidelines and procedures for designing a system

Discuss
Answer: (b).Data on which the system is to operate Explanation:Object-oriented design focuses on the data on which the system is to operate, while the other three methods concentrate on identifying the functions of the system.
Q569.
What is the difference between FSM and JSD in terms of design methods?

a.

FSM focuses on the notation while JSD offers extensive guidelines.

b.

JSD focuses on the design stage proper while FSM is part of a wider methodology.

c.

FSM is useful for real-time systems while JSD is useful for concurrent systems.

d.

FSM uses a mathematical language while JSD uses a graphical notation.

Discuss
Answer: (a).FSM focuses on the notation while JSD offers extensive guidelines. Explanation:For some methods such as FSM, emphasis is on the notation, while the guidelines for how to tackle design are not well developed. On the other hand, JSD offers extensive prescriptive guidelines.
Q570.
What is the main purpose of design methods in software development?

a.

To provide a systematic way of organizing and structuring the design process

b.

To only provide a notation to express the result of the design process

c.

To only provide guidelines for design stage

d.

To only provide features for specific types of applications

Discuss
Answer: (a).To provide a systematic way of organizing and structuring the design process Explanation:Design methods generally consist of a set of guidelines, heuristics, and procedures on how to go about designing a system. They also offer a notation to express the result of the design process, providing a systematic means for organizing and structuring the design process and its products.
Page 57 of 79

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