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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 78 of 79

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Q771.
What is the purpose of abstraction in software design?

a.

To confuse the designer and make it harder to comprehend the system.

b.

To allow the designer to concentrate on the irrelevant issues.

c.

To allow the designer to concentrate on the relevant issues and ignore the irrelevant ones.

d.

To make it harder to make local changes to the system.

Discuss
Answer: (c).To allow the designer to concentrate on the relevant issues and ignore the irrelevant ones. Explanation:In a properly-designed system we should be able to concentrate on the relevant issues and ignore the irrelevant ones as the purpose of abstraction in software design.
Q772.
What are the interrelated features of a properly-designed system?

a.

High cohesion, low coupling, and a chaotic design structure.

b.

Low cohesion, high coupling, and a neat design structure.

c.

High cohesion, low coupling, and a neat design structure.

d.

Low cohesion, high coupling, and a chaotic design structure.

Discuss
Answer: (c).High cohesion, low coupling, and a neat design structure. Explanation:A properly-designed system should have high cohesion, low coupling, and a neat design structure. The features are highly interrelated and reinforce one another. Information hiding leads to high cohesion and low coupling, while clear separation of concerns results in a neat design structure.
Q773.
Which design method has been around the longest?

a.

Object-oriented design

b.

Data flow design

c.

Functional decomposition

d.

Data structure design

Discuss
Answer: (c).Functional decomposition Explanation:The first three design methods - functional decomposition, data flow design, and data structure design have been around longest.
Q774.
What is the most widely used approach to design currently?

a.

Functional decomposition

b.

Data flow design

c.

Data structure design

d.

Object-oriented design

Discuss
Answer: (d).Object-oriented design Explanation:The most widely used approach to design currently is object-oriented design, partly due to the popularity of the Unified Modeling Language (UML), its associated tools, and full-scale development methods like RUP.
Q775.
What is the advantage of object-oriented approach over function-oriented approaches?

a.

Object-oriented approach corresponds to parts of a solution to the problem

b.

Object-oriented approach is easier to comprehend

c.

Object-oriented approach focuses on the solution to the problem

d.

Object-oriented approach is harder to comprehend

Discuss
Answer: (b).Object-oriented approach is easier to comprehend Explanation:The object-oriented approach is easier to comprehend as the concepts that show up in the analysis model have a direct counterpart in the world being modeled, making it easier for the client to understand and discuss the model with the analyst.
Q776.
What is the benefit of the object-oriented approach in software design compared to more traditional approaches?

a.

It is less susceptible to changes in the world being modeled

b.

It focuses on identifying functions rather than real-world objects

c.

It leads to inflexible systems that are difficult to adapt and change

d.

It promotes reuse through focusing on the identification of functions

Discuss
Answer: (a).It is less susceptible to changes in the world being modeled Explanation:An object-oriented design is more stable and less affected by changes in the real world because it focuses on identifying real-world objects, while more traditional approaches focus on identifying functions, which tend to change over time.
Q777.
What is the benefit of the inheritance mechanism in object-oriented design?

a.

It leads to inflexible systems that are difficult to adapt and change

b.

It promotes reuse through focusing on the identification of functions

c.

It adds to reusability by creating new objects as specializations of existing objects

d.

It reduces the availability of class libraries

Discuss
Answer: (c).It adds to reusability by creating new objects as specializations of existing objects Explanation:The inheritance mechanism in object-oriented design adds to reusability by allowing new objects to be created as specializations of existing objects, inheriting attributes from the existing objects. This enables code sharing, contributing to this type of code reuse, making it easier to maintain and evolve the software system over time.
Q778.
How does the object-oriented approach provide a smoother transition from requirements analysis to design to code?

a.

By separating UoD modeling aspects from design aspects

b.

By mapping the object hierarchy directly onto the implementation class hierarchy

c.

By making it difficult to relate the implementation to the original problem

d.

By focusing on structuring the problem rather than the solution

Discuss
Answer: (b).By mapping the object hierarchy directly onto the implementation class hierarchy Explanation:In the object-oriented approach, the object hierarchy that results from the modeling process can be directly mapped onto the class hierarchy of the implementation, which helps to provide a smoother transition from requirements analysis to design to code.
Q779.
What is the advantage of encapsulating data types in an object-oriented design?

a.

It reduces information hiding, abstraction, and high cohesion

b.

It leads to inflexible systems that are difficult to adapt and change

c.

It promotes reuse through focusing on the identification of functions

d.

It has all the right properties like information hiding, abstraction, high cohesion, low coupling, etc.

Discuss
Answer: (d).It has all the right properties like information hiding, abstraction, high cohesion, low coupling, etc. Explanation:The advantage of encapsulating data types in an object-oriented design is that it has all the desirable properties for software design such as information hiding, abstraction, high cohesion, and low coupling. This allows for a more structured and organized approach to designing software systems, leading to a higher quality and maintainable design.
Q780.
What is the main issue with the straightforward application of the object-oriented method in system design?

a.

Lack of consistency and flexibility in the user interface

b.

Difficulties in isolating the user interface from computational parts

c.

Loosely-coupled set of objects

d.

Overly complex control patterns in programs

Discuss
Answer: (a).Lack of consistency and flexibility in the user interface Explanation:In a straightforward application of the object-oriented method, each object would define its own ways for presenting an image of that object to the user. This goes against good practices of system design, where the user interface is generally isolated from the computational parts, resulting in a lack of consistency and flexibility in the user interface.
Page 78 of 79

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