Which kind of error occurs when the program executes completely but does not do what it is expected to do?

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BlackTom AI · Accepted Answer

The question asks: Which kind of error occurs when the program executes completely but does not do what it is expected to do?
Option 1: Compile error. A compile error happens when the source code cannot be translated by the compiler due to syntax or other issues, so the program never runs. Since the description specifies that the program executes fully, this option describes a failure before runtime, not a runtime behavior, so it does not fit.
Option 2: Exception. An exception is a runtime event that typically interrupts normal flow if not properly handled. While exceptions can cause a program to behave unexpectedly, they usually indicate an abnormal condition rather than simply running to completion. Depending on handling, the program may still terminate or recover, but this option does not inherently capture the idea of running to completion yet producing incorrect results.
Option 3: Syntax error. A syntax error is detected by the parser during compilation or interpretation and prevents the program from running at all. Since the scenario states the program executes completely, a syntax error cannot be the issue here as there is no successful execution with errors in behavior.
Option 4: Logic error. A logic error occurs when the program runs and completes, but its output or behavior is not what was intended. This happens because the algorithm or conditions implemented do not correctly model the desired outcome, leading to correct execution steps that yield wrong results.
In summary, the question contrasts errors that prevent execution (compile and syntax errors), runtime issues that may stop or alter flow (exceptions), and the case where execution finishes but results are incorrect due to flawed reasoning or design (logic error). The distinction hinges on whether the runtime completes and whether the outcome aligns with expectations, which differentiates logic errors from the others.

CSE-110-OD25-27 6.1 Lessons and Knowledge Check - Study Hall Video episodes: 9-13

Which kind of error occurs when the program executes completely but does not do what it is expected to do?

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