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Welcome to the Software Life Cycle Models MCQs Page

Dive deep into the fascinating world of Software Life Cycle Models with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Software Life Cycle Models, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Software Life Cycle Models, 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 Life Cycle Models. 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 Life Cycle Models. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Software Life Cycle Models MCQs | Page 30 of 32

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Q291.
What is the seventh law of software evolution according to Lehman?

a.

Law of conservation of familiarity

b.

Law of continuing growth

c.

Law of declining quality

d.

Law of system feedback

Discuss
Answer: (c).Law of declining quality Explanation:The seventh law of software evolution according to Lehman is that the quality of a system declines, unless it is actively maintained and adapted to its changing environment.
Q292.
What is the eighth law of software evolution according to Lehman?

a.

Law of conservation of familiarity

b.

Law of continuing growth

c.

Law of declining quality

d.

Law of system feedback

Discuss
Answer: (d).Law of system feedback Explanation:The eighth law of software evolution according to Lehman is that software evolution must be seen as a feedback system in order to achieve improvements.
Q293.
According to Lehman's laws of software evolution, what happens to a program that is changed?

a.

It becomes more structured

b.

It becomes less complex

c.

It becomes more stable

d.

It becomes more user-friendly

Discuss
Answer: (b).It becomes less complex Explanation:According to the second law of software evolution, a program that is changed becomes less structured and more complex. Extra effort is required to avoid this increase in complexity.
Q294.
What is the main difference between progressive and anti-regressive activities in software development?

a.

Progressive activities are interesting and rewarding, while anti-regressive activities are boring and unimportant

b.

Progressive activities generate new code and change existing code, while anti-regressive activities involve maintenance and documentation

c.

Progressive activities are focused on short-term gains, while anti-regressive activities are focused on long-term sustainability

d.

Progressive activities are focused on user satisfaction, while anti-regressive activities are focused on developer satisfaction

Discuss
Answer: (b).Progressive activities generate new code and change existing code, while anti-regressive activities involve maintenance and documentation Explanation:According to Lehman, generating new code and changing existing code are considered progressive activities as they are interesting, challenging and rewarding. They provide the user with new or better functionality. Writing documentation, improving the structure of the code, and maintaining good communication between the people involved are anti-regressive activities which serve to maintain the status quo.
Q295.
According to the fifth law of software evolution, what happens when the growth increment of a system is exceeded?

a.

The system becomes more user-friendly

b.

The system becomes less complex

c.

The system becomes more cost-effective

d.

Problems concerning quality and usage will result

Discuss
Answer: (d).Problems concerning quality and usage will result Explanation:According to the fifth law of software evolution, known as the law of conservation of familiarity, when the growth increment of a system is exceeded, it can lead to problems concerning quality and usage of the system. This is because an organization has to sustain sufficient familiarity with its software, and if the growth increment is exceeded, it can cause the organization to lose familiarity with the system and lead to issues with the system's quality and usage.
Q296.
What is the main goal of a software product line?

a.

To reuse elements from earlier products during the development of new products.

b.

To develop a set of software systems that share elements.

c.

To increase the efficiency of the development process.

d.

To reduce the cost of software development.

Discuss
Answer: (b).To develop a set of software systems that share elements. Explanation:A software product line is a set of software systems that share elements and reuse is planned, not accidental.
Q297.
What is the main benefit of using a software product line approach?

a.

To reduce the cost of software development.

b.

To increase the efficiency of the development process.

c.

To improve the quality of the software systems.

d.

To increase the flexibility of the software systems.

Discuss
Answer: (a).To reduce the cost of software development. Explanation:By reusing elements from previous systems, the development of new systems within the same domain becomes more efficient and cost-effective.
Q298.
What is an example of a domain that could be used for a software product line?

a.

Library automation systems

b.

Banking systems

c.

Online shopping systems

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:Any domain where similar systems are developed can be used for a software product line approach. Examples include library automation systems, banking systems, and online shopping systems.
Q299.
What is the main difference between software product line and traditional software development?

a.

Reuse is planned in software product line while it's accidental in traditional software development.

b.

Software product line approach is more expensive than traditional software development

c.

Software product line approach is less efficient than traditional software development

d.

Traditional software development approach is more flexible than software product line

Discuss
Answer: (a).Reuse is planned in software product line while it's accidental in traditional software development. Explanation:In traditional software development, reuse is not planned and happens by chance. In a software product line approach, reuse is planned and the goal is to develop a set of software systems that share elements.
Q300.
What is the main goal of domain engineering in software product lines?

a.

To analyze the domain for which a set of similar software systems will be developed

b.

To develop a set of reusable components that form the basis for the products to be developed

c.

To decide on the scope of the product line

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:Domain engineering in software product lines involves analyzing the domain for which a set of similar software systems will be developed, developing a set of reusable components that form the basis for the products to be developed, and deciding on the scope of the product line.
Page 30 of 32

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