Computer Science for IGCSE & O level - Data Representation (Section 7 - No. 47)
What are error codes used for in the context of a software or hardware system?
To signal an error has occurred.
To assist in diagnosing the root cause of an issue.
To prevent future errors.
To speed up processing.
Explication
Error codes signal that an error has occurred and assists in finding the source of the issue.