What is Quality Assurance (QA)

What is Quality Assurance? | Process and Methods

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What is Quality Assurance?

Quality Assurance is to check whether the developed product is fit for use. For that, the Organization should have methods and standards to be tracked which need to be enhanced periodically. It mainly focuses on the quality of the product/service that we are providing to the clients during or after the implementation of the software.

What is Quality?

Quality is very tough to define, and it is basically stated: “Fit for use or resolve.” It is all about the conference the needs and expectations of customers with approval to functionality, design, reliability, durability, & price of the manufactured goods.

What is Assurance?

Assurance is nothing but a positive announcement on a product or service, which gives assurance. It is the certainty of a product or a service, which it will effort well. It assures that the product will work without any difficulties as per the prospects or requirements.

What is Quality Assurance (QA)?

Quality Assurance is commonly known as QA Testing, is defined as an action to ensure that an organization is as long as the best possible product or service to customers. QA efforts on improving the processes to distribute Quality Produces to the customer. An organization has to ensure, that the process is effective and performing as per the quality principles well-defined for software development.

Quality Assurance

QA establishes and maintains set necessities for developing or manufacturing reliable products. A quality assurance policy is meant to develop customer experience and a company’s authority, while also improving work procedures and efficiency, and it allows a company to better contest with others.

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Importance of Quality Assurance

Quality assurance supports a company that creates products and services that meet the requirements, expectations, and necessities of customers. It yields high-quality product offerings that create trust and loyalty with clients. The well-designed process and standards stated by a quality assurance program and avoid failures before they arise.

Quality Assurance Methods

Failure testing

Which frequently tests a product to decide if it breaks or fails.  For physical products that need to withstand stress, this could include challenging the product under heat, stress or vibration. In software products, failure testing might include placing the software under high quality or load conditions.

QA - Failure Testing

Statistical process control (SPC)

A method based on objective data and inquiry and developed by Walter Shewhart at Western Electric Company and Bell Telephone Laboratories in the 1920s and 1930s. This methodology uses statistical methods to manage and control the production of products.

Total Quality Management (TQM)

Which spread on quantitative methods as the basis for continuous improvement. TQM relies on facts, data, and investigation to support product planning and presentation reviews.

Quality Assurance Functions

Technology Transfer

This purpose involves getting a product design document as well as trial and mistake data and its estimation. The documents are dispersed, checked and accepted

Validation

Here authentication master plan for the complete system is ready. Approval of test criteria for confirming product and method is set. Resource planning for the performance of an authentication plan is done.

Documentation

This function panels the distribution and archiving of documents. Any change in a certificate is made by accepting the proper change control procedure. Endorsement of all types of brochures.

  • Assuring Quality of products
  • Quality improvement plans 
Quality Assurance - Documentation

Process of Quality Assurance

Quality assurance is a lifecycle called a PDCA cycle or Deming cycle. The process of Quality Assurance are:

  • Plan
  • Design and Development
  • Testing
  • Deploy
Process of Quality Assurance

These above steps are repeated to ensure that procedures followed in the organization are evaluated and improved periodically. Let’s look into the above steps in detail –

  • Plan – Organizations should plan and launch the process associated objectives and determine the procedures that are compulsory to deliver a high-Quality end product.
  • Do – Development and testing of Methods and also “do” variations in the processes
  • Check – Monitoring of processes, change the processes, and check whether it sees the prearranged objectives
  • Act – Implement movements that are required to achieve improvements in the procedures

An organization must use Quality Assurance to ensure that the product is planned and executed with correct procedures. This helps decrease problems and faults, in the final product.

Quality Assurance Certifications

There are many certifications offered in the industry to ensure that Organizations follow Standards Quality Processes. Clients make this as succeeding criteria while selecting a software vendor.

ISO 9000

ISO 9000 standard was first developed in 1987, and it is interrelated to Quality Management Systems. This aids the organization to ensure quality to its clients and other stakeholders. The main objective is to review and prove whether the organization is following the procedure as expected and check whether existing procedures need improvement.

CMMI level

The Capability Maturity Model Integrated (CMMI) is a process improvement method developed particularly for software process improvement. It is built on the process maturity framework and used as general support in business processes in the Software Business. This model is very regarded and broadly used in Software Development Organizations.

Test Maturity Model (TMM)

This model indicates the maturity of processes in a Testing Environment. Even this model has 5 levels, defined below-

  • Initial: There is no quality standard tracked for testing processes and only ad-hoc approaches are used at this level
  • Definition: Clear process. Complete details for test plans, strategies and test cases.
  • Integration: Testing is approved out throughout the software development lifecycle (SDLC) – which is nothing but the combination with the development activities.
  • Management and Measurement: Study of each requirements and software design place at this level and values have been set for each level of testing.
  • Optimization: Many optimization methods are used for testing processes, and device support is used to expand the testing standards and processes

Pros and Cons of QA

The quality of products and services is a key competitive differentiator. Quality assurance supports to ensure that organizations generate and ship products that are clear of faults and meet the needs and prospects of customers. High-quality products result in satisfied customers, which can result in customer loyalty, repeat purchases, upsell and sponsorship.

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