QUALITY ASSURENCE AND CONTROL

Quality Assurance is a planned and systematic set of activities necessary to provide adequate confidence that products and services will conform to specified requirements and meet user needs. Quality assurance is a staff function, responsible for implementing the quality policy defined through the development and continuous improvement of software development processes.

It is an activity that establishes and evaluates the processes that produce products. If there is no need for process, there is no role for quality assurance. For example,quality assurance activities in an IT environment would determine the need for, acquire, or help install:

System development methodologies

Estimation processes

System maintenance processes

Requirements definition processes

Testing processes and standards

Once installed, quality assurance would measure these processes to identify weaknesses, and then correct those weaknesses to continually improve the process.


Quality Control

Quality control activities focus on identifying defects in the actual products produced. These activities begin at the start of the software development process with reviews of requirements, and continue until all application testing is complete.

It is possible to have quality control without quality assurance. For example, a test team may be in place to conduct system testing at the end of development, regardless of whether that system is produced using a software development methodology.

Both quality assurance and quality control are separate and distinct from the internal audit function. Internal Auditing is an independent appraisal activity within an organization for the review of operations, and is a service to management. It is a managerial control that by measuring and evaluating the effectiveness of other controls.

The following statements help differentiate quality control from quality assurance:

Quality control relates to a specific product or service.

Quality control verifies whether specific attribute(s) are in, or are not in, a specific product or service.

Quality control identifies defects for the primary purpose of correcting defects.

Quality control is the responsibility of the team/worker.

Quality control is concerned with a specific product.

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1 comment:

  1. Quality control activities focus on identifying defects in the actual products produced. These activities begin at the start of the software development process with reviews of requirements, and continue until all application testing is complete.This is the best quality control inspection software.

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