Determining software quality?

Question

Currently, there are many questions about measuring and checking the quality of software, but before that there was no official definition of the quality of software in Stackoverflow:

Please provide an official, comprehensive definition of the quality of the software product.

_{Since the question is quite general, I am happy to continue to make a better definition every time it is sent. It is ok to copy the gist of the previously submitted answer if you can add something of value to it. Sub>}

Answer 1

Here is what Wikipedia has to say about software quality .

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Answer 2

ISO-9126, wikipedia: http://en.wikipedia.org/wiki/ISO_9126

http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=22749

Answer 3

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Answer 4

http://www.codinghorror.com/blog/images/beagle_bros_certificate.gif

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Answer 10

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Answer 11

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Answer 12

Software quality is defined as compliance with explicitly stated functional and non-functional requirements, explicitly documented development standards and implicit characteristics that are expected from all professionally developed software.