Types of Defects

• Inadequate or incorrect component description (Documentation)
• Errors in grammar, spelling and specification language used (Syntax)
• An error in the specification of the functions of a component (Functionality)
• An error in the communication between software components (Interface)
• An error in the internal data specification (Data)
• An error in the procedural logic (Logic)
• An error in communication with external data (Input/Output)
• not meeting the required efficiency of execution (Performance)
• A deviation from procedural or representational standards (Standards)