In software testing, the bug can occur for the following reasons: Lots of defect leads to failure of the software. Problem in the document is known as a mistake. When the application is not meeting the business requirement. When the application is not working as per the requirement. Let see the different terminology of defect: And the bug had various names in different companies such as error, issues, problem, fault, and mistake, etc. While testing the application or executing the test cases, the test engineer may not get the expected result as per the requirement. The bug occurred when developers made any mistake or error while developing the product. In software testing, a software bug can also be issue, error, fault, or failure. The Bug is the informal name of defects, which means that software or application is not working as per the requirement. In this chapter, we will learn about defect/bug in software testing and why it occurs, basic terminology of a defect, and bug tracking tool.
