exception(redirected from Exceptions)
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1. Law (formerly) a formal objection in the course of legal proceedings
2. Law a clause or term in a document that restricts the usual legal effect of the document
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
An error condition that changes the normal flow of control in a program. An exception may be generated ("raised") by hardware or software. Hardware exceptions include reset, interrupt or a signal from a memory management unit. Exceptions may be generated by the arithmetic logic unit or floating-point unit for numerical errors such as divide by zero, overflow or underflow or instruction decoding errors such as privileged, reserved, trap or undefined instructions. Software exceptions are even more varied and the term could be applied to any kind of error checking which alters the normal behaviour of the program.
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exceptionAn error. See exception handling.
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