fatal exception
<programming, operating system> A program execution error which is trapped by the operating system and which results in abrupt termination of the program. It may be possible for the program to catch some such errors, e.g. a floating point underflow; others, such as an invalid memory access (an attempt to write to read-only memory or an attempt to read memory outside of the program's address space), may always cause control to pass to the operating system without allowing the program an opportunity to handle the error. The details depend on the language's run-time system and the operating system. See also: fatal error. (1997-08-03) | ||||
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Fatal exception Definition from Encyclopedia Dictionaries & Glossaries
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Fatal error
In computing, a fatal error is an error which causes a program to abort - and thus may return the user to the operating system. When this happens, data that the program was processing may be lost. A fatal error occurs typically in any of these cases:
- An illegal instruction has been attempted
- Invalid data or code has been accessed
- The privilege level of an operation is invalid
- A program attempts to divide by zero. (Only for integers; with the IEEE floating point standard, this creates an infinity instead)
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