A bug is an issue identified during software testing caused by mistakes in code or design that causes functionality or design to not work as expected. The bug life cycle is the process of identifying a bug during testing, assigning it a status, and fixing it. Statuses are used to track a bug through the life cycle from being found to being resolved.

1. BUG or DEFECT LIFE
CYCLE

2. WHAT IS BUG
 BUG IS THE ISSUES INDENDTIFIED WHILE TESTING THE PARTICULAR
APPLICATION OR SOFTWARE BEACAUSE OF MISTAKES IN THE CODE OR
DESIGNING
 BUG IS DESCRIBED AS THE FUNCTIONALITY OR THE DESIGN IS NOT
WORKING AS EXPECTED
 WHILE EXECUTING THE TEST CASES THE ACTUAL RESULT AND EXPECTED
RESULT IS NOT SAME

3. WHAT IS BUG LIFE CYCLE
 THE PROCESS OF BUG INDENTIFIED IN TEST TO FIXED THAT PARTICULAR
BUG IS KNOWN AS BUG LIFE CYCLE.
 DIFFERENT TYPES OF STATUS IS USED IN THE BUG LIFE CYCLE

4. BUG LIFE CYCLE LAYOUT