Quality control can be defined as "part of quality
management focused on fulfilling quality requirements." While quality
assurance relates to how a process is performed or how a product is made, quality
control is more the inspection aspect of quality management.
Difference between Quality Assurance (QA) and Quality
Control (QC) are given below.
Quality
Assurance (QA)
|
Quality
Control (QC)
|
It is a
procedure that focuses on providing assurance that quality requested will be
achieved
|
It is a
procedure that focuses on fulfilling the quality requested.
|
QA aims to
prevent the defect
|
QC aims to
identify and fix defects
|
It is a
method to manage the quality- Verification
|
It is a
method to verify the quality-Validation
|
It does not
involve executing the program
|
It always
involves executing a program
|
It's a
Preventive technique
|
It's a
Corrective technique
|
It's a
Proactive measure
|
It's a
Reactive measure
|
In order to
meet the customer requirements, QA defines standards and methodologies
|
QC confirms
that the standards are followed while working on the product
|