What is Quality in Software Testing ? Quality Views, Quality Productivity, Software Quality, QA and QC.

What is Quality ?

High levels of user satisfaction and low level of defect often associated with low complexity.
Quality is another name of consistently meeting customer requirements, cost, delivery schedule and services offered.

Quality views

Customer's view :
  • Delivering the right product.
  • Satisfying the customers need.
  • Meeting the customer with proper way.
Supplier's view :
  • Doing the right thing.
  • Doing it the right way.
  • Doing it right the first time.
  • Doing it on time.

Quality-Productivity

  • Increase in Quality can directly lead to increase in productivity.
  • Rework, Repairs and complaints are key factors affecting Quality and productivity.
  • Direct relationship between Quality and cost of the process and product.
  • Software quality includes activities related to both process and product.

Software Quality

SQA: Software Quality Assurance
SQC: Software Quality Control
SQA: The Monitoring and Measuring the strength of development process is called SQA.
SQC : The Validation of final product before release to the customer is called SQC.

What is Quality Control(QC) ? 

  • Attempts to test a product after it is built.
  • If expected behavior is not the same as actual, fixes the product and rebuilds it.
  • Defect-detection and defect-correction oriented.
Examples : Software testing at various levels.

What is Quality Assurance (QA) ?

  • Attempts defect prevention by concentrating on the process.
  • Defect prevention activity.
Example : Reviews and Audits.

# Difference between Quality Assurance(QA) and Quality Control(QC) are:-

Quality Assurance(QA) :-

1) QA is a process oriented.
2) Checking the process.
3) Done throughout the life cycle.
4) Finds the weakness and deficiencies and send it to process.
5) Defect prevention.

Quality Control(QC) :-

1) QC is product oriented.
2) Evaluating that product is meeting requirements or not.
3) Done after the product is built.
4) Corrects the weakness and deficiencies in product and suggests to the process.
5) Defect detection and correction.

  

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