Write difference between bug, defect, and error.

1.	Write difference between bug, defect, and error.
Answer» Error: It is defined as a programming MISTAKE in coding because of which we can't compile or run a program. Defect: It is defined as the variation or difference between the actual result and the expected result FOUNDED by a tester or developer. The defect is BASICALLY detected after the product goes into production and is resolved in the development PHASE only. Bug: It is defined as a fault or MISMATCH in a software system that is detected during the testing phase. It has an impact on software functionality and performance.

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