9 Software Disasters

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How bugs lead to disasters.

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  • One of the best presentation on software bugs....
    I want to appeal to all my fellow software developers to try your best to make your code bug free especially when you are writing code for such big things.
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9 Software Disasters

  1. 9 Software Disasters www.henricodolfing.com
  2. ” If debugging is the process of removing bugs , then programming must be the process of putting them in. „ Edsger Dijkstra
  3. How bugs lead to disasters
  4. #1 Explosion of Ariane 5, 1996
  5. “ Conversion of a 64 bit integer into a 16 bit signed integer lead to an overflow. „
  6. #2 Loss of Mars Climate Orbiter, 1999
  7. “ Mix-up between pounds and kilogram. „
  8. #3 Mars Polar Lander, 1998
  9. “ Software error that mistakenly identified the vibration caused by the deployment of the lander's legs as being caused by the vehicle touching down on the Martian surface. „
  10. #4 Loss of Mariner 1, 1962
  11. “ Period instead of comma in FORTRAN DO-Loop. „
  12. #5 Breakdown of AT&T’s long-distance telephone network, 1990
  13. “ A single line of buggy code in a complex software upgrade implemented to speed up calling caused a ripple effect that shut down the network. „
  14. #6 USS Yorktown dead in the water, 1998
  15. “ Input and Division by ‘ 0 ’. „ X / 0 = undefined
  16. #7 MIM-104 Patriot Missile Failure, 1991
  17. “ Rounding Error „
  18. #8 Shutdown of 5 nuclear reactors, 1985
  19. “ Use of arithmetic sum of variables instead of the square root of the sum of the squares of the variables. „ ∑ ≠ √
  20. #9 Denver International Airport, 1994
  21. “ Baggage handling system broke down because of numerous bugs.”
  22. www. henricodolfing .com

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