Changes

For example, the world's highest quality [[computer]] software employs independent code reviewers:

For example, the world's highest quality [[computer]] software employs independent code reviewers:

* The software is checked very carefully in a bottom-up fashion. First, each new line of code is checked, then sections of code or modules with special functions are verified. The scope is increased step by step until the new changes are incorporated into a complete system and checked. This complete output is considered the final product, newly released. But completely independently there is an independent verification group, that takes an adversary attitude to the software development group, and tests and verifies the software as if it were a customer of the delivered product. [http://duartes.org/gustavo/blog/post/richard-feynman-challenger-disaster-software-engineering]

* The software is checked very carefully in a bottom-up fashion. First, each new line of code is checked, then sections of code or modules with special functions are verified. The scope is increased step by step until the new changes are incorporated into a complete system and checked. This complete output is considered the final product, newly released. But completely independently there is an independent verification group, that takes an adversary attitude to the software development group, and tests and verifies the software as if it were a customer of the delivered product.<ref>http://duartes.org/gustavo/blog/post/richard-feynman-challenger-disaster-software-engineering</ref>

== References ==

== References ==

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