1. Quality, a requirement for information technologies

Computing is the field of activity that concerns the processing of information by electronic equipment (computers). Information processing is based on two elements:

• hardware, electronic components, boards and peripherals;

• software: a set of system or application instructions for automatic data acquisition, storage, transformation, transmission and retrieval.

Like any industrial product, it must meet the needs formulated by customers/users who express their requirements. A product concept is born in the minds of engineers, who imagine and then design its functionalities....