Waterfall · Theory

Ch 2 · Development Models — card 1 of 2.

A development model is *how* you move through the stages. The waterfall model runs them strictly in order — finish analysis, then design, then code, then test — each flowing into the next.

• ✅ Simple, well-documented, clear milestones
• ❌ Inflexible — you can't easily go back; problems found late are costly