What is the difference between Quality Assurance and Quality Control Testing?

Quality Assurance aims to prevent defects with a focus on the process used to make the product.
It is a proactive quality process while Quality Control aims to identify defects in the finished product.
Quality control, therefore, is a reactive process.

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Quality Assurance: Often used interchangeably with quality control (QC), it is a wider concept that covers all policies and systematic activities implemented within a quality system.
QA frameworks include (1) determination of adequate technical requirement of inputs and outputs, (2) certification and rating of suppliers, (3) testing of procured material for its conformance to established quality, performance, safety, and reliability standards, (4) proper receipt, storage, and issue of material, (5) audit of the process quality, (6) evaluation of the process to establish required corrective response, and (7) audit of the final output for conformance to (a) technical (b) reliability, (c) maintainability, and (d) performance requirements.
http://www.businessdictionary.com/definition/quality-assurance-QA.html

A brief distinction between both is that Quality Assurances is all about certainty while Quality Control is all about procedural.
Quality Assurance give guaranty.
Quality Control despite following specification, procedures still does not give a guaranty.

Improve this chartQuality AssuranceQuality ControlFocus on: QA aims to prevent defects with a focus on the process used to make the product.
It is a proactive quality process.
QC aims to identify defects in the finished product. 
Quality control, therefore, is a reactive process.
Goal: The goal of QA is to improve development and test processes so that defects do not arise when the product is being developed.
The goal of QC is to identify defects after a product is developed and before it's released.
StatisticalTechniques: Statistical Tools & Techniques can be applied in both QA & QC.
When they are applied to processes (process inputs & operational parameters), they are calledStatistical Process Control (SPC); & it becomes the part of QA.
When statistical tools & techniques are applied to finished products (process outputs), they are called as Statistical Quality Control (SQC) & comes under QC.
What: Prevention of quality problems through planned and systematic activities including documentation.
The activities or techniques used to achieve and maintain the product quality, process and service.
How: Establish a good quality management system and the assessment of its adequacy & conformance audit of the operation system & the review of the system itself.
Finding & eliminating sources of quality problems through tools & equipment so that customer's requirements are continually met.
Example: Verification is an example of QA Validation/Software Testing is an example of QC

http://www.diffen.com/difference/Quality_Assurance_vs_Quality_Control

quality assurance that process owen to department of quality assurance to approve all activetes in side the quality system that may aprove it can do trus that product or serves  will be enugh to guality requrment and alwayes it used with quality control.but quality control testing that is process used avaialable uniqe stander owen of country belong to you to bote product or serves in side that standre