Quality Assurance Vs Quality Control

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What is Quality Assurance?

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Advantages of QA

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What is Quality Control?

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Advantages of QC

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Comparison Based on Goal

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Comparison Based on Implementation

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Comparison Based on Reactive/Proactive Measure

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Comparison Based on End Result

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Comparison Based on Team Involvement

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Here's a detailed comparison between QA and QC.

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Quality Assurance Vs Quality Control

A Detailed Comparison

What is Quality Assurance?

QA refers to the company's promise to provide high-quality products. As part of development phase, it ensures that the processes, approaches, or techniques used are free of defects or irregularities.

Advantages of QA

1. Improve Process Control 2. Checks and balances for product quality. 3. Early mistakes are prevented, reducing costs. 4. It makes Quality Control's job easier.

What is Quality Control?

In QC, defects or bugs are controlled so that software product meets the user's expectations. It is used at the end of the software development cycle to detect defects.

Advantages of QC

1. Maximize efficiency and reduces costs. 2. Customer specifications can be confirmed by the developers. 3. Reduces rejection rate and saves rejection costs.

Comparison Based on Goal

In QA, the goal is to ensure the highest quality of product, whereas in QC, the goal is to ensure that the product delivered meets the user’s expectation.

Comparison Based on Implementation

As software development progresses, QA is implemented during the development phase, while QC is implemented at the end stages of development.

Comparison Based on Reactive/Proactive Measure

In QA, the developer controls the software through development, whereas in QC, the testing team reacts to errors at the end of the project to fix them.

Comparison Based on End Result

QA activities result in a roadmap for creating high-quality products, while QC activities involve verifying products after manufacture and before distribution to users.

Comparison Based on Team Involvement

A QA team generally includes all project team members, while a QC team typically includes the testing team.

Here's a detailed comparison between QA and QC.