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software bug
(redirected from Software bugs)

    Also found in: Medical, Wikipedia 0.02 sec.

software bug

A problem that causes a program to produce invalid output or to crash (lock up). The problem is either insufficient logic or erroneous logic. For example, a program can crash if there are not enough validity checks performed on the input or on the calculations themselves, and the computer attempts to divide by zero. Bad instruction logic misdirects the computer to a place in the program where an instruction does not exist, and it crashes.

A program with bad logic may produce bad output without crashing, which is the reason extensive testing is required. For example, if the program is supposed to add an amount, but subtracts it instead, bad output results, although the computer keeps running. See abend, bug and buggy.



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The study, commissioned by Enerjy Software, reveals over 65 % of development managers are frustrated with software bugs found in released code.
Code quality cause for concern among development managers by Database and Network Journal
According to the National Institute for Standards and Testing, software bugs could cost the economy as much as $60 billion.
Application security by McMillan, Mac / Detroiter
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Guard your systems from network parasites with the WolfPac Security ... by Raphael, Louis / Computer Technology Review
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