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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 29 of 32

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Q281.
What is one reason that a system may be judged to be more cost-effective to restructure or replace?

a.

It is no longer being used

b.

It has reached its maximum functionality

c.

It is no longer meeting user satisfaction

d.

It is undergoing continuous change

Discuss
Answer: (d).It is undergoing continuous change Explanation:The Law of continuing change states that a system that is being used undergoes continuous change, until it is judged more cost-effective to restructure the system or replace it by a completely new version.
Q282.
According to the laws of software evolution, what happens to the quality of a system over time?

a.

It improves

b.

It remains the same

c.

It declines

d.

It fluctuates

Discuss
Answer: (c).It declines Explanation:The Law of declining quality states that the quality of a system declines, unless it is actively maintained and adapted to its changing environment.
Q283.
What is one way to achieve improvements in software evolution according to the laws of software evolution?

a.

Ignoring feedback from the system

b.

Increasing the rate of change

c.

Decreasing the rate of change

d.

Treating software evolution as a feedback system

Discuss
Answer: (d).Treating software evolution as a feedback system Explanation:The Law of system feedback states that software evolution must be seen as a feedback system in order to achieve improvements.
Q284.
What is one way to maintain user satisfaction according to the laws of software evolution?

a.

Limiting the functionality of the system

b.

Reducing the rate of change

c.

Maintaining a constant growth increment

d.

Increasing the functionality of the system

Discuss
Answer: (d).Increasing the functionality of the system Explanation:The Law of continuing growth states that the functionality of a system needs to continuously increase in order to maintain user satisfaction.
Q285.
What is the first law of software evolution according to Lehman?

a.

Law of continuing change

b.

Law of increasing complexity

c.

Law of self regulation

d.

Law of conservation of organizational stability

Discuss
Answer: (a).Law of continuing change Explanation:The first law of software evolution according to Lehman is that a system that is being used undergoes continuous change until it is judged more cost-effective to restructure the system or replace it by a completely new version.
Q286.
What is the second law of software evolution according to Lehman?

a.

Law of continuing change

b.

Law of increasing complexity

c.

Law of self regulation

d.

Law of conservation of organizational stability

Discuss
Answer: (b).Law of increasing complexity Explanation:The second law of software evolution according to Lehman is that a program that is changed becomes less and less structured (the entropy increases) and thus becomes more complex. One has to invest extra effort in order to avoid increasing complexity.
Q287.
What is the third law of software evolution according to Lehman?

a.

Law of continuing change

b.

Law of increasing complexity

c.

Law of self regulation

d.

Law of conservation of organizational stability

Discuss
Answer: (c).Law of self regulation Explanation:The third law of software evolution according to Lehman is that software evolution processes are self-regulating and promote a smooth growth of the software.
Q288.
What is the fourth law of software evolution according to Lehman?

a.

Law of continuing change

b.

Law of increasing complexity

c.

Law of self regulation

d.

Law of conservation of organizational stability

Discuss
Answer: (d).Law of conservation of organizational stability Explanation:The fourth law of software evolution according to Lehman is that the global progress in software development projects is statistically invariant.
Q289.
What is the fifth 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: (a).Law of conservation of familiarity Explanation:The fifth law of software evolution according to Lehman is that a system develops a constant growth increment to sustain the organization’s familiarity with the system. When this increment is exceeded, problems concerning quality and usage will result.
Q290.
What is the sixth 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: (b).Law of continuing growth Explanation:The sixth law of software evolution according to Lehman is that the functionality of a system needs to continuously increase in order to maintain user satisfaction.
Page 29 of 32

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