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What is Quality Assurance ?

April 25 2019 , Written by Harry Published on #TESTER

What is Quality Assurance?

          Quality Assurance is popularly known as QA Testing, is defined as an activity to ensure that an organization is providing the best possible product or service to customers. QA focuses on improving the processes to deliver Quality Products to the customer. An organization has to ensure, that processes are efficient and effective as per the quality standards defined for software products.

Quality Assurance: Complete Process

Quality assurance has a defined cycle called PDCA cycle or Deming cycle. The phases of this cycle are: Plan, Do, Check , Act

These above steps are repeated to ensure that processes followed in the organization are evaluated and improved on a periodic basis. Let's look into the above steps in detail -

  • Plan - Organization should plan and establish the process related objectives and determine the processes that are required to deliver a high-Quality end product.
  • Do - Development and testing of Processes and also "do" changes in the processes
  • Check - Monitoring of processes, modify the processes, and check whether it meets the predetermined objectives
  • Act - Implement actions that are necessary to achieve improvements in the processes

An organization must use Quality Assurance to ensure that the product is designed and implemented with correct procedures. This helps reduce problems and errors, in the final product.

Quality Control and Quality Assurance?

Examples of QC and QA activities are as follows:

Quality Control Activities Quality Assurance Activities
Walkthrough Quality Audit
Testing Defining Process
Inspection Tool Identification and selection
Checkpoint review Training of Quality Standards and Processes


Question 4:  Quality Assurance is the process by which product quality is compared with the application standards and the action taken when nonconformance is detected.

  1. True
  2. False

Answer: A

Note for me:

Nonconformance: không phù hợp


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