Problem Solving Strategies

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Questions and Answers

What is the essence of practice according to Polya?

  1. Understand the problem. 2. Plan a solution. 3. Carry out the plan. 4. Examine the result for accuracy.

What is the Bathtub Curve used to describe?

The Bathtub Curve describes the failure rate of a product over time, initially decreasing, then increasing due to wear and deterioration.

How does a software failure occur?

A software failure occurs when the user perceives that the software no longer delivers the expected result according to the input specifications.

What are the key steps in understanding a problem according to the text?

<p>Identifying stakeholders, unknowns, and required data, functions, and features.</p> Signup and view all the answers

What is the impact of wear vs. deterioration on hardware?

<p>Wear vs. deterioration in hardware leads to an increased failure rate over time due to side effects.</p> Signup and view all the answers

Why does software need to be extended for interoperability and re-architected for network environments?

<p>Software needs to be extended for interoperability with modern systems and re-architected for network viability to adapt to evolving technologies.</p> Signup and view all the answers

How can you determine if a problem can be compartmentalized?

<p>By representing smaller problems that may be easier to understand</p> Signup and view all the answers

What should be considered when planning the solution to a problem?

<p>Similar problems seen before, recognizable patterns, existing software, and reusable elements of a solution</p> Signup and view all the answers

What should be ensured when carrying out the plan for a solution?

<p>Conformance to the plan, traceability of source code to design model, and correctness of each component</p> Signup and view all the answers

How can you examine the result of a solution?

<p>By testing each component, implementing a testing strategy, and validating against stakeholder requirements</p> Signup and view all the answers

What is important to consider when dealing with software myths?

<p>The existence of a book of standards and procedures for building software</p> Signup and view all the answers

What should be focused on in management myths?

<p>Software evolution, hardware and software failure curves, and problem-solving techniques</p> Signup and view all the answers

Why is it a myth to believe that a general statement of objectives is sufficient to begin writing programs?

<p>Project requirements continually change and details need to be filled in later.</p> Signup and view all the answers

Why is the belief that software is flexible and can easily accommodate project requirement changes considered a myth?

<p>Software requirements changes can lead to significant rework and challenges.</p> Signup and view all the answers

Why is the idea that once a program works, the job is done considered a myth?

<p>Assessing the quality of the program is essential even if it runs.</p> Signup and view all the answers

Why is it a myth to think that the only deliverable work product for a successful project is the working program?

<p>Software engineering involves creating necessary documentation and artifacts.</p> Signup and view all the answers

Why is the belief that software engineering is just about creating paperwork considered a myth?

<p>Software engineering involves more than just paperwork and contributes to project success.</p> Signup and view all the answers

Why is it a myth to believe that adding more programmers to a project behind schedule will easily help catch up?

<p>Adding more programmers can lead to communication overhead and coordination challenges.</p> Signup and view all the answers

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