Software Engineering Ethics and Case Studies Quiz

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Questions and Answers

Which of the following statements about software costs is true?

  • Software maintenance costs are negligible compared to development costs
  • Software costs are always lower than hardware costs
  • The costs of software on a PC are always lower than the hardware cost
  • Software costs more to maintain than it does to develop (correct)

What is software engineering concerned with?

  • Building stand-alone systems for specific markets
  • Marketing and selling generic products
  • Theories, methods, and tools for professional software development (correct)
  • Developing hardware systems

What type of products are considered generic products in software engineering?

  • Stand-alone systems marketed and sold to any customer (correct)
  • Systems designed only for internal use within an organization
  • Systems with limited market potential
  • Systems tailored for a specific customer

What fraction of GNP do software costs represent in all developed countries?

<p>A significant fraction (B)</p> Signup and view all the answers

What is meant by software engineering?

<p>Developing software using theories, methods, and tools for professional software development (A)</p> Signup and view all the answers

Why are the economies of ALL developed nations dependent on software?

<p>Because software costs often dominate computer system costs (C)</p> Signup and view all the answers

What is the main difference between customized products and generic products in software development?

<p>Customized products have their specification owned by the customer, while generic products have their specification owned by the developer. (C)</p> Signup and view all the answers

What is the focus of software engineering?

<p>Practicalities of developing and delivering useful software (C)</p> Signup and view all the answers

What are the key challenges facing software engineering?

<p>Coping with increasing diversity, demands for reduced delivery times, and developing trustworthy software (A)</p> Signup and view all the answers

What are the costs breakdown for software engineering?

<p>60% development costs, 40% testing costs (C)</p> Signup and view all the answers

What do good software products deliver to the user?

<p>Required functionality, performance, maintainability, dependability, and usability (C)</p> Signup and view all the answers

What are the attributes of software engineering?

<p>Software specification, development, testing, and evolution (B)</p> Signup and view all the answers

What is system engineering concerned with?

<p>All aspects of engineering and system engineering (C)</p> Signup and view all the answers

What are the best techniques for different types of systems?

<p>&quot;Different techniques are appropriate for different types of systems. For example, games should always be developed using a series of prototypes whereas safety critical control systems require a complete and analyzable specification to be de&quot; (C)</p> Signup and view all the answers

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Study Notes

Software Costs

  • Software costs represent a significant fraction of Gross National Product (GNP) in developed countries, differing across regions but generally substantial.
  • True statements about software costs revolve around their growth rate and impact on the economy.

Software Engineering Overview

  • Software engineering encompasses the systematic application of engineering approaches to software development.
  • It is concerned with creating high-quality software that meets user requirements while managing costs and timelines.

Generic Products in Software Engineering

  • Generic products are standard software packages that are produced for mass-market use, as opposed to tailored solutions for specific customers.

Economic Impact of Software

  • All developed nations rely on software for operational efficiency, economic growth, and competitive advantage, indicating its critical role in modern economies.

Customized vs. Generic Products

  • Customized products are tailored to meet the specific needs of individual clients, while generic products offer standardized functionalities for a broader audience.

Focus and Challenges of Software Engineering

  • The primary focus of software engineering is to improve software quality, enhance productivity, and ensure maintainability.
  • Key challenges include managing changing requirements, ensuring software reliability, and integrating with existing systems.

Costs Breakdown in Software Engineering

  • Costs in software engineering can be divided into categories such as development, maintenance, and support, reflecting the lifecycle investment in software products.

User Benefits of Good Software Products

  • Good software delivers reliability, usability, performance, and maintainability, ultimately providing value to the user while minimizing frustration.

Attributes of Software Engineering

  • Attributes include flexibility, scalability, modularity, and reusability, all essential for developing robust software solutions.

System Engineering

  • System engineering focuses on the integration of various components and subsystems to create functional, reliable systems.

Best Techniques for Different Systems

  • Best practices vary based on system type and include agile methodologies for dynamic environments, and waterfall approaches for well-defined projects.

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