S/W Quality assurence :QA engineer involve entire software 
development process & how if fits into business approach & 
goals of Organization
S/W Quality control:  the process of testing to find bugs 
or defects in the application the role of S/W Quality 
control

S/w Quality assurence: its process oriented. TO build a 
right product.

S/W Quality control: Its product oriented. To bulid a 
product right

SQA:Monitoring and measuring the strength of development 
process is called the SQA, it is done after the completion 
of build development. It is nothing but verification.
SQC:After completion of build development, the testing 
verifying the complentness and correctness of the developed 
product according to the client requirements document.It is 
nothing but validation.

software quality assurance is nothing but an set of 
standard process which is used to develope a sofware.this 
sofware quality assurance is process oriented.its is 
nothing but an verification activuity.

software control is an validtion process.where the quality 
is comtrolled by testers.it is nothing but an product 
oriented.