30 Questions
What is the informal nickname for Quality Characteristics (QCs) mentioned in the text?
The -ilities
Which edition of the handbook previously referred to Quality Characteristic (QC) approaches as Specialty Engineering or Engineering Specialties?
Third edition
What term is used to refer to approaches that need to be considered to ensure the system is developed and its ecosystem cultivated so that QCs are present throughout the system's life cycle?
Through-Life Considerations
Which of the following is NOT mentioned as a QC approach that may generate functional requirements?
Reliability
What ISO/IEC/IEEE standard section defines Quality Characteristic (QC)?
Section 3.36
What do QCs relate to, according to the text?
Inherent characteristic of a product, process, or system related to a requirement
What is the primary focus of affordability analysis in system development?
Maximizing value by balancing system performance, cost, and schedule constraints
What are the key concepts of affordability analysis?
Consistently defining affordability context, establishing an affordability process/framework, and assigning accountability for affordability across the life cycle
What does affordability costs encompass in the system development process?
Acquisition, operating, and support costs, and additional elements required for the Life Cycle Cost (LCC) of a system
What is the main concern of the affordability model?
Operational attributes of systems that determine their value and effectiveness over time
What does managing a system within an affordability trade space involve?
Considering the performance and cost of the fielded system over time, and graphing the functional relationship between cost and outcome to analyze affordability trade-offs
In which section does the text provide an illustration of the importance of affordability analysis through Case 4 (Design for Maintainability-Incubators)?
Section 6.4
What is the formula for cost-effectiveness (CE) as mentioned in the text?
System Effectiveness / Cost
In the context of decision-making for systems and projects, what is LCC (Life Cycle Cost)?
The total cost incurred by a system throughout its life
What is the role of LCC analysis in affordability and system cost-effectiveness assessments?
To estimate all costs throughout a system's life
What is the measure relating cost to system effectiveness mentioned in the text?
Cost-Effectiveness Analysis (CEA)
How is affordability determined in decision-making for systems and projects as per the text?
By specifying the decision criterion as cost-effectiveness
What is included in the concept of Life Cycle Cost (LCC) according to the text?
All costs throughout a system's life, including acquisition, operation, maintenance, and disposal costs
What are the key metrics for Agility Engineering?
Timeliness, affordability, predictability, and comprehensiveness
Which LCC analysis method involves using expert judgment for cost estimation?
Delphi technique
What is included in retirement costs in LCC analysis?
Removal from operation and trade-in or salvage costs
In Agile systems engineering, what does 'Agile' focus on?
Engineering systems that are agile in nature
What does the Agility Architectural Framework enable?
Rapid composability of processes and systems
What is the primary focus of LCC studies?
Identifying cost drivers and system evolution
What are the three critical elements of an agile system architecture?
Encapsulated modules, passive infrastructure, and active infrastructure
Which principle includes facilitated interfacing and reusable modules?
Reusable design principles
What does the passive infrastructure provide in an agile system architecture?
Drag-and-drop connectivity between modules
Which measure is included in the agility measures of an agile system architecture?
Time to respond
What principle includes peer-to-peer interaction and self-organization in an agile system architecture?
Reconfigurable principles
Which element enables rapid response to new requirements in an agile system architecture?
Encapsulated modules
Study Notes
- The text discusses the architecture of an agile system, which consists of three critical elements
- Encapsulated modules are self-contained units with well-defined interfaces that conform to the passive infrastructure
- Passive infrastructure provides drag-and-drop connectivity between modules, enabling rapid operational functionality
- Active infrastructure designates responsibilities for maintaining agile operational capability in response to new requirements
- Reusable design principles include encapsulated modules, facilitated interfacing, and reusable modules
- Reconfigurable principles include peer-to-peer interaction, distributed control and information, and self-organization
- Scalable principles include evolving infrastructure standards, redundancy and diversity, and elastic capacity
- Agility measures include time to respond, cost to respond, predictability of response, and scope of response
- The architecture enables rapid response to new requirements by facilitating the evolution and scalability of the system.
Test your understanding of optimization methods and performance trade-offs in decision-making processes. Explore the concept of finding the best value for a given cost and understanding how multiple curves need to be considered simultaneously in real-world scenarios.
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