Many people use the terms verification and validation ... Why are both verification and validation of a model needed?

A crucial step in model based development process is verification and validation of code on embedded CPU or DSP ... then PIL object code is fine-tuned (for example) for fixed-point precision, memory ...

As an example ... because of models. If we had a model of the body, we could easily verify if the shirt would fit and the tolerance it had for maneuvering when driving. How could we model these things ...

In addition to verification and validation of food safety systems ... health agents provide much useful data for prevention. For example, at the retail level, CDC has identified five leading ...