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sequential development model

📙 CTAL-TM

Official ISTQB Definition

A type of software development lifecycle model in which a complete system is developed in a linear way of several discrete and successive phases with no overlap between them.

3 Ways to Think About It

💡
The Quick Take

Traditional waterfall-style development where phases happen in order.

🔍
Look Closer

One phase completes before the next begins - requirements, design, code, test.

🎯
The Bottom Line

Linear development where testing comes after development is 'done'.

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