Safety-related computer systems are those which may lead to loss of life, injury or plant and environmental damage. Such systems therefore have to be developed and implemented so that they meet strict require and security because their applications cover ments on safety, reliability nearly all areas of daily life and range from controlling and monitoring industrial processes, through robotics and power generation, to transport systems. Highly reliable electronic systems for safety-related applications represent an area in which industry has been involved for many years and which is now...