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Functional VS. Non-Functional Requirements

Functional Requirements

    Are things the system must do
    Describe user required behavior
    Are also called behavioral requirements
    Can be documented in text, graphical, or matrix formats

Non-Functional Requirements

    Are things that the solution must have
    Constrain or modify the solution behavior, design or function
    Are also called supplemental requirements
    Can be in text or matrix formats

Posted in Requirements.

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