Generic Life Cycle Stages Flashcards
Every system life cycle consists of budget aspect (funding), technical aspect (product) and which aspect?
Business Aspect (business case)
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Is “Synchronize project activities” an objective of decision gates?
Yes.
The other three objectives are:
1. Ensure that the elaboration of the business and technical baselines are acceptable and will lead to satisfactory V&V.
2. Ensure that the next step is achievable and the risk of proceeding is acceptable.
3. Continue to foster buyer and seller teamwork.
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What is the purpose of “Retirement Stage” ?
Store, archive, or dispose of the system
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What is the difference between iteration and recursion of processes?
Iteration is the repeated application of and interaction between two or more processes at a given level while recursion is at successive levels.
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What are the two critical parameters that engineers sometimes lose sight of?
Time to breakeven and return on investment.
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Is it true that all decision gates are both reviews and milestones?
Yes.
And not all reviews and milestones are decision gates.
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There are at least two decisions gates in any project, what are they?
Authority to proceed and final acceptance of the project deliverable.
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What does it mean when decision option “unacceptable” is given at decision gate?
Do not proceed, continue this stage and repeat the review when ready.
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Can life cycle stages overlap?
Yes.
Stages can overlap, and the utilization and support stages run in parallel.
What are the six stages of life cycle?
Concept, development, production, utilization, support and retirement.
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“Create solution description” is the purpose of which life cycle stage?
Development.
The other three purposes of this stage is to define/refine system requirements; implement initial system; integrate, verify, and validate system.
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Is it true that all stages occur serially one after another in time sequence?
No, it’s not necessarily. There are iteration and recursion possible on all paths.
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What is the beginning of concept stage?
It begins with some recognition of a need for new or modified SOI. And it is critical that in these early studies, a high-level, preliminary concept be created and explored to whatever depth is necessary.
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What are the purposes of a preliminary concept?
To identify technological risks and to assess the technology readiness level (TRL), it is used to generate early cost and schedule projections for the project if it moves ahead.
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What activities may be included in concept stage?
The concept stage may include system and key system element-level concept and architecture definition and integration, verification, and validation (IV&V) planning.
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