Answer Posted / uday kumar. a

In refinement of V-Model, assume it it a combination of \
and /.
All the activities(information gathering, analysis, design)
in \ are QA related activities. Whic mainly concentrates on
process.
The other side of V, i.e / in this all the QC related
activites(Unit testing, component testin, integration
testing, system testing and user acceptance testing) will
be done.
So my answer is \ is for QA and / for QC.

But the activities of QA will effect the total life cycle
(means until Acceptance testing).

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