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Software Bugs !

Najwieksze bledy programistyczne : http://wwwzenger.informatik.tu-muen...ckle/bugse.html

1. Blad w oprogramowaniu rakiety Ariane
"... It took the European Space Agency 10 years and $7 billion to produce Ariane 5, a giant rocket capable of hurling a pair of three-ton satellites into orbit with each launch and intended to give Europe overwhelming supremacy in the commercial space business.
All it took to explode that rocket less than a minute into its maiden voyage last June, scattering fiery rubble across the mangrove swamps of French Guiana, was a small computer program trying to stuff a 64-bit number into a 16-bit space. ..."

Reszta tez jest bardzo interesujaca jak np. liczba bledow w porcesorze pentium czy w systemie operacyjnym windows 95

To jest niezle :

"Bugs in general:


INTEL: no more than 80-90 Bugs in Pentium.

Standard Software: 25 bugs per 1000 lines of program.
Good Software: 2 errors per 1000 lines.
Space Shuttle Software: < 1 errors per 10000 lines.

Example Handy (Cellular Phone):
200 000 lines of program: up to 600 errors.

Windows-95: 10 Mill. lines: up to 200 000 errors."

Re: Software Bugs !

W przypadku Ariane to nie byl blad programu - program byl dobry tylko czlowiek dostarczyl mu nieprawidlowych danych ale reszta wonuje

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