The classic CoSQ model classifies quality costs into four (4) subclasses: prevention costs, appraisal costs, internal failure costs, and external failure costs. Compare and provide examples of each subclass of costs.Both the classic and the extended software quality models assign costs to two main classes: costs of control and costs of failure of control. Explain the nature of each class.

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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The classic CoSQ model classifies quality costs into four (4) subclasses: prevention costs, appraisal costs, internal failure costs, and external failure costs. Compare and provide examples of each subclass of costs.
Both the classic and the extended software quality models assign costs to two main classes: costs of control and costs of failure of control. Explain the nature of each class.

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