Critical Software System For Treating Cancer

1. 1. A system for has two principal components:
      • A that of radiation to tumor sites. This machine is controlled by an system.
      • A treatment database that includes details of the treatment given to each patient. Treatment requirements are entered in this database and are automatically downloaded to the radiation therapy machine.

Identify three hazards that may arise in this system. For each hazard, suggest a defensive requirement that will reduce the probability that these hazards will result in an accident. Explain why your suggested defense is likely to reduce the risk associated with the hazard.