As a rule, software systems do not Posted on October 2, 2013October 2, 2008 by admin “As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications.” — Dave Parnas Author: Dave Parnas Category: computers Tags: computers, Dave Parnas Spread the love Related posts: Computers are magnificent tools for the realization Home computers are being called upon to Computing is not about computers any more. The computer is a moron.