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Data Defects

Introduction to Software Testing Testing as a Process Testing Maturity Model(TMM) Level 1- Initial (no maturity goals) Level 2-Phase Definition Level 3 - Integration Level 4 - Management and Measurement Level 5 - Optimization/Defect Prevention/Quality control Testing Axioms 1, 2, 3, 4 Testing Axioms 5, 6, 7 Testing Axioms 8, 9 Basic Definitions Test case Software Quality Quality Attributes Software Quality Assurance (SQA) Group Principle-2, 3, 4 Principle-5, 6, 7 Principle-8, 9, 10 Now the most important principle is 11 Testers role in a software development organization

Introduction to software Defects Sources of defects Oversight Impact from users view due to sources of defects Myers Approach Requirements and specification types Feature interaction and Interface Description Defects Design Defects Data Defects

Data Defects

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Data Defects:

These are associated with incorrect design of data structures.

Module Interface Description Defects:

These are defects derived from using incorrect, and or inconsistent parameter types,an incorrect number of parameters or an incorrect ordering of parameters.

Functional Description Defects:

The defects include incorrect,missing and unclear design elements.

External Interface Description Defects:

These are derived from incorrect design descriptions for interfaces with external software systems,databases,and hardware devices.

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