Software Quality Assurance

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Software Quality Assurance ABSTRACT

High complexity, invisibility of the product and opportunity to detect the defects provided the uniqueness which will meet the challenges for the development and operation of quality assurance for software. This paper provides a brief introduction to software quality assurance and discuses about the software quality metrics and their limitations.

Keywords: SQA (software Quality Assurance), software quality metrics, process metrics, product metrics


Definition: Software Quality Assurance is a set of activities designed to evaluate the process by which the products are developed or manufactured. Contrast with quality control. [1] Software Quality assurance is an
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Numerous research works has been dedicated to this subject.

Software metric may be defined as "an objective, which provides a quantitative measure of an attribute and a measure of the software product. The number of major defects found during a test and a comparison of that figure with a threshold of “goodness" or "badness" is objective. [5]

Objectives of Software Quality Metrics:
• It facilitates the management control and planning at the managerial level.
To achieve this objective is based on calculation of metrics regarding deviations of actual quality performance from planned performance and deviations from the timetable and budget.
• It indicates the situations that require maintenance, improvement planning in the form of corrective actions or suggesting preventives throughout the organizations.
To achieve this objective it is required to gather metrics information regarding the performance of teams and units etc.

Classification of software quality metrics in a two level system:
The first level distinguishes between two categories:[6]
• Process metrics related to the software development process
• Product metrics related to software maintenance.

Each first level category is broken down into one of three sub categories
• Software process quality metrics
• Software process timetable metrics
• Software process timetable metrics
• Software process productivity metrics
The software
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