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Therac-25 Case Materials

Therac-25 was a medical linear accelerator, a device used to treat cancer. What made Therac-25 unique at the time of its use was the software. Not only did the software ease the laborious set-up process, but it also monitored the safety of the machine. In this case on safety critical software, you will find that some patients received much more radiation than prescribed despite the software safety programming,

Therac-25 Case History

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