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in v model of software testing which processes comes under
QA and which processes comes under QC?And what is
verification and validation please anwer these question i
realy very confused

Answer Posted / peter

About verification and validation: answer #3 is correct.

According CMMI:
Verification: Confirmation that work products properly reflect the requirements specified for them. In other words: verification ensures that "you built it right".
Validation: Confirmation that the product will fulfill its intended use. In other words, validation ensures that "you built the right thing".

About QA and QC:
QA is about quality of processes and QC is about quality of products. Therefore, verification and validation are both part of QC.

Again according CMMI:
Quality assurance: A planed and systematic means for assuring management that the defined standards, practices, procedures and methods of the process are applied.
Quality control: The operational techniques and activities that are used to fulfill requirements for quality.

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