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Which of the following is NOT a phase in each cycle of the Spiral model?

easy📝 Factual Q12 of 15
Software Engineering - SDLC Models
Which of the following is NOT a phase in each cycle of the Spiral model?
AImplementation without evaluation
BPlanning
CEvaluation
DRisk analysis
Step-by-Step Solution
Solution:
  1. Step 1: Identify phases in Spiral model cycle

    Each cycle includes planning, risk analysis, building (implementation), and evaluation.
  2. Step 2: Check which option is incorrect

    Implementation without evaluation says implementation without evaluation, but evaluation is always part of the cycle.
  3. Final Answer:

    Implementation without evaluation -> Option A
  4. Quick Check:

    Every cycle ends with evaluation [OK]
Quick Trick: Every cycle ends with evaluation, never skip it [OK]
Common Mistakes:
  • Ignoring evaluation phase
  • Confusing risk analysis with testing
  • Thinking planning is optional

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