Quality Assurance and Quality Control

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Quality Assurance and Quality Control

What are Quality Assurance and Quality Control?

Quality Assurance (QA) and Quality Control (QC) are two terms that are often used interchangeably. Although similar, there are distinct differences between the two concepts. This page will explain the differences between quality control and quality management, and provide definitions and examples of each.

Source: Lucidchart

What is quality?

Quality is meeting the requirements, expectations, and needs of the customer; free from the defects, lacks, and substantial variants. There are standards that need to be followed to satisfy the customer requirements. 

Assurance is provided by organization management, it means giving a positive declaration on a product that obtains confidence for the outcome. It gives a security that the product will work without any glitches as per the expectations or requests.

What is Quality Assurance?

Quality assurance is usually abbreviated as QA. In quality management, quality assurance can be defined by fulfilling the quality requirements. Confidence in quality assurance is present both internally in management and externally in customers, government agencies, regulators, certifiers, and third parties.

Quality assurance involves the protocols and procedures that track various aspects of a service or facilities systematically. Quality assurance activities identify and fix issues or differences that fall beyond existing norms or specifications through audits and other types of evaluation.

In other words, during the production of goods or services, quality assurance guarantees a high degree of quality.

When a company ensures a consistent standard of quality in its goods or services, it develops a positive reputation for reliability. It strengthens consumer interest and trust in the company, and it helps the company compete with others in the same market.

In manufacturing, most businesses use some sort of quality assurance, from consumer packaged goods manufacturers to software development companies. Some businesses can also set up a quality assurance department with employees that are focused exclusively on quality assurance.


What is the meaning of Quality Control?

Quality control is popularly abbreviated as QC. It is a method of software engineering used in a product or a service to ensure consistency. It does not deal with the methods used to manufacture a product; rather, the nature of the "end products" and the result is investigated.

Quality control's primary goal is to verify if the goods comply with the customer's standards and requirements. Any problems or malfunctions found have to be resolved before the products distribution to the customer.

QC also tests individuals on their quality level skill sets, imparts training, and certifications. This evaluation is necessary for a service-based company and helps provide customers with the "perfect service".

Quality Assurance (QA) vs Quality Control (QC): What's the best?

QA ensures that you do the right thing, whereas QC makes sure what you expected is the result of what you end up making. QA defines standards and methodologies to be followed to meet the requirements of customers. QC ensures that while working on the product, these standards are followed.

Both of these are extremely important functions for businesses.

What are some examples of quality assurance?

Method checklists, process norms, process reports, and project audits are examples of quality assurance activities.

Inspection, deliverable peer feedback, and the software testing process are examples of quality control activities.

What are the best practices for Quality Assurance?

  • Build an environment of robust testing.
  • Select release requirements carefully.
  • To save money, apply automated testing to high-risk areas. This helps to fasten the entire process.
  • Allocate time appropriate for each process.
  • It is essential to prioritize bugs fixes based on software use.
  • Create a dedicated safety and quality testing team.
  • Simulate customer accounts similar to a production environment.

What are the QA tools?

For regulated or ISO-compliant businesses, quality assurance instruments will improve and simplify quality processes. Tools for quality assurance assist companies to control quality processes. Digital tools streamline deviations, corrective and preventive actions (CAPAs), and other processes.

What are the functions of Quality Assurance?

What are the functions of Quality Assurance?

There are 5 primary Quality Assurance Functions:

1. Technology transfer

This function involves the receipt and review of a document for product design as well as trial and error details. The documents are circulated, reviewed, and approved

2. Validation

The validation master plan is planned here for the framework as a whole. For product and process validation, approval of the test criteria is established. For a validation plan to be enforced, resource planning is completed.

3. Documentation

This feature controls how records are transmitted and archived. Any change is made in a document by following the correct procedure for managing change. Approval of all paper forms is essential.

4. Assurance of quality of product

This involves making sure that products meet the quality standards prescribed.

5. Quality management programs

This function focuses on creating programs to ensure that the products meet the right quality standards going forward.

What is the difference between quality assurance (QA) and quality control (QC)?

Quality assurance (QA) vs quality control (QC) are terms that the uninitiated tend to use interchangeably. Although these are similar concepts, the two definitions have distinct differences. 

Quality System, Quality Assurance, and Quality Control Relationships


Quality assurance and quality control are two important concepts in quality management. Although certain practices in quality assurance and quality control are interrelated, the two are differently defined.

QA tasks and duties usually cover almost all of the quality system in one way or another, while QC is a subset of QA operations.

Elements of the quality framework may also not be directly protected by QA/QC operations and duties but may include QA and QC.

What is a Quality Assurance checklist?

A quality control checklist is a written guide to the content, packaging, color, barcodes, appearance, potential defects, features, and special specifications of your products. It's also often called an “inspection criteria sheet” or inspection checklist.

What are the 7 Management Tools For Quality Control?


The 7 management tools for quality control are:

1. Flowchart.

2. Check Sheet.

3. Cause and Effect (fishbone) Diagram.

4. Pareto Chart.

5. Control Charts.

6. Histograms.

7. Scatter Diagrams.

What are the 7 Essential Steps to Implementing a Process of Quality Assurance?

implementation of quality process

Here are the 7 steps that are essential for the successful implementation of a quality assurance process.

Step 1: Identifying your organizational goals.

Step 2: Figuring out what your critical success factors are.

Step 3: Identifying your internal and External Customers.

Step 4: Collecting customer feedback.

Step 5: Implementing improvements on a continuous basis.

Step 6: Picking quality management software that is appropriate for your organization's needs.

Step 7: Measure your results.

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