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Junaid Ahmed Zubairi
Associate Professor
zubairi@cs.fredonia.edu
Department of Math and Computer Science
SUNY Fredonia
To Test or Not to Test: A Case Study on Ethics in Computing

In 1991, faulty computer instructions caused a massive shutdown of phone systems in several major cities in the U.S., including Washington DC, Pittsburgh, Los Angeles, and San Francisco. The instructions were part of a revised version of software that was not tested fully because the changes were considered too small. Developed as part of the ethics module for a computer science course for non-majors, this case emphasizes good software development techniques, including full compliance with the rules.