Read We Did Nothing Wrong: Why Software Quality Matters by Deborah Gage and John McCormick. This paper details a number of software systems that failed in spectacular ways, with most of the focus on a radiation machine made by Multidata called the Cobalt-60.
As you read, think about the following:
Before you come to this recitation, write up (on paper) a brief answer to the following (really—we don't need more than a sentence or so for each question):
(There are multiple possible answers to each of these questions.)