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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 58 of 79

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Q571.
What is the focus of functional decomposition as a classical design method?

a.

Identifying the functions of the system

b.

Focusing on the data on which the system operates

c.

Providing a specific notation for design

d.

Offering extensive prescriptive guidelines

Discuss
Answer: (a).Identifying the functions of the system Explanation:Functional decomposition is a general approach to system design that focuses on identifying the functions of the system. The resulting design can be depicted using different notations, ranging from flowcharts or pseudocode to algebraic specifications.
Q572.
Which design method focuses on the data on which the system operates?

a.

Functional decomposition

b.

Data flow design

c.

Design based on data structures

d.

Object-oriented design

Discuss
Answer: (d).Object-oriented design Explanation:Object-oriented design focuses on the data on which the system is to operate, whereas the other three classical design methods discussed concentrate on identifying the functions of the system. Object-oriented design is the most popular design approach today due to the presence of UML as a notational device for both requirements engineering and design.
Q573.
What type of notation is used in OBJ method?

a.

Formal mathematical language

b.

Graphical notation

c.

Pseudocode

d.

Algebraic specifications

Discuss
Answer: (a).Formal mathematical language Explanation:The OBJ uses a very formal mathematical language as a notation.
Q574.
Which design method is most popular today?

a.

Functional Decomposition

b.

Data flow design

c.

Design based on data structures

d.

Object-oriented design

Discuss
Answer: (d).Object-oriented design Explanation:The object-oriented design is the most popular design approach today.
Q575.
What is the main focus of classical design methods?

a.

Providing a systematic way of organizing and structuring the design process

b.

Providing features for specific types of applications

c.

Identifying the functions of the system

d.

Both a and c

Discuss
Answer: (d).Both a and c Explanation:The main purpose of design methods is to provide a systematic way of organizing and structuring the design process, and the focus of classical design methods is identifying the functions of the system.
Q576.
What is the difference between top-down design and bottom-up design in software development?

a.

Top-down design starts from the main user functions and works down to subfunctions, while bottom-up design starts from base functions and works towards the requirements specification.

b.

Top-down design is more flexible, while bottom-up design is more rigid.

c.

Top-down design is ideal for fully described systems, while bottom-up design is ideal for systems that are not fully described.

d.

Top-down design is always used, while bottom-up design is never used.

Discuss
Answer: (a).Top-down design starts from the main user functions and works down to subfunctions, while bottom-up design starts from base functions and works towards the requirements specification. Explanation:The top-down design starts from the main user functions and works down to subfunctions, while bottom-up design starts from base functions and works towards the requirements specification.
Q577.
Why is it difficult to apply pure top-down design in software development?

a.

The system is never fully described.

b.

Top-down design is too flexible.

c.

It is not feasible for the design process to be rational.

d.

The requirements are always changing.

Discuss
Answer: (a).The system is never fully described. Explanation:To be able to apply a pure top-down technique, the system has to be fully described, which is hardly ever the case.
Q578.
What is a potential danger of using bottom-up design in software development?

a.

It is too rigid.

b.

The design process cannot be rational.

c.

The earliest decisions are the most important ones.

d.

We may miss the target.

Discuss
Answer: (d).We may miss the target. Explanation:A real danger of the bottom-up technique is that we may miss the target.
Q579.
What is the starting point of top-down design?

a.

Main user functions at the top

b.

Set of available base functions

c.

Requirements specification

d.

System fully described

Discuss
Answer: (a).Main user functions at the top Explanation:Starting from the main user functions at the top, we work down decomposing functions into subfunctions.
Q580.
What makes bottom-up design potentially more flexible?

a.

Starting from a set of available base functions

b.

Main user functions at the top

c.

Requirements specification through abstraction

d.

System fully described

Discuss
Answer: (a).Starting from a set of available base functions Explanation:Using bottom-up design, we start from a set of available base functions.
Page 58 of 79

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