System Requirements and Design Perspective Quiz

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Questions and Answers

Which of the following is a key consideration within the affordability trade space across the system life cycle?

Cost versus benefits of different office layouts

Cost versus benefits of different design solutions (correct)

Cost versus benefits of different marketing strategies

Cost versus benefits of different employee training programs

What is one of the key concepts that drives changes in the affordability trade space?

Cost to implement a change and what is gained from it (correct)

Ease of implementation and time saved

Complexity of implementation and potential future benefits

Potential for promotion and increased job satisfaction

In the context of affordability analysis, what does DTC stand for?

Developmental testing criteria

Direct technical consultation

Design-to-cost (correct)

Demand tracking and control

What measurements feed back into the system assessment in terms of affordability?

Key performance parameters and operational availability Signup and view all the answers

In defining affordability for a particular program or system, what could be specified as one of the elements?

Required capabilities performance Signup and view all the answers

What does the shaded rectangle in Figure 10.3 represent?

Solutions that meet minimum performance and are less than the maximum budget Signup and view all the answers

According to INCOSE, how is system affordability defined?

Balancing system performance, cost, and schedule constraints over the system life while satisfying mission needs in concert with strategic investment and organizational needs Signup and view all the answers

What does NDIA's definition of affordability emphasize?

Balancing of system performance, total ownership cost, and schedule constraints while satisfying mission needs in concert with long-range investment and force structure plans of the DOD Signup and view all the answers

What does an affordability design model need to provide?

The ability to effectively manage and evolve systems over long life cycles Signup and view all the answers

What is recommended by INCOSE for affordability analyses?

To be included in the systems engineering activities Signup and view all the answers

What does an affordability analysis require?

A comprehensive approach that considers both the cost-effectiveness and the life cycle cost of a system Signup and view all the answers

What are the derived requirements for system design?

Assuming system change, managing technology life cycle differences, using feedback functions and measurement, and implementing adaptive engineering Signup and view all the answers

What does the affordability model focus on?

Nonfunctional attributes (system 'ilities') that differentiate system value and impact on operational effectiveness and cost over time Signup and view all the answers

How is operational effectiveness measured?

Through performance, availability, capability, etc., which can be analyzed as a function of cost in an affordability trade space Signup and view all the answers

What does creating an affordability trade space allow for?

The examination of system performance and cost relationship, determination of point of diminishing returns, and prediction of average behavior Signup and view all the answers

What must the affordability trade space reflect?

Operational performance characteristics, supportability analysis, and development of highly reliable and maintainable systems Signup and view all the answers

What can improvements in design driven by a stringent availability requirement do?

Lower operational and support costs in the fielded system Signup and view all the answers

What is the relationship between performance and cost in systems engineering?

They form a trade-off curve where the best performance comes at the highest cost. Signup and view all the answers

What method is used to compare the costs and performance of different alternatives in systems engineering?

Cost-effectiveness analysis (CEA) Signup and view all the answers

What distinguishes cost-effectiveness analysis (CEA) from cost-benefit analysis (CBA)?

CEA helps determine critical system requirements, while CBA assigns a monetary value to the measure of effect. Signup and view all the answers

What does LCC (life cycle cost) refer to in systems engineering?

The total cost of a system or product throughout its life. Signup and view all the answers

What drives changes in the affordability trade space across the system life cycle?

Changes in critical system requirements and stakeholders' perspectives. Signup and view all the answers

What is the result of a disciplined decision-making process in terms of affordability?

Affordability Signup and view all the answers

Study Notes

The text discusses the importance of affordability in systems engineering, specifically the relationship between performance and cost.
Performance and cost form a trade-off curve, where the best performance comes at the highest cost.
The decision criterion (performance or cost) determines which point on the curve is chosen.
Affordability is the result of a disciplined decision-making process.
Cost-effectiveness analysis (CEA) is a method used to compare the costs and performance of different alternatives.
CEA helps to determine critical system requirements and supports data-driven decision making.
CEA is distinct from cost-benefit analysis (CBA), which assigns a monetary value to the measure of effect.
CEA and CBA both consider the cost of risk and the risk of cost.
Cost-effectiveness is applied to various types of organized activities, including commercial aircraft studies, urban transportation infrastructure improvements, health services acquisitions, and military hardware acquisitions.
LCC (life cycle cost) refers to the total cost of a system or product throughout its life.
LCC varies depending on the circumstances, the stakeholders' perspectives, and the product.
The systems engineer needs to consider costs from multiple aspects and be aware of the stakeholders' perspectives when evaluating LCC.

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Test your knowledge on system requirements and design perspectives, focusing on topics such as system changes, technology management, feedback functions, and system behaviors.