defect is defined in two ways
1) from producer pointb of view 
2) from customer point of view
 
 from  producer point of defect is deviation from desired 
output.

 from customer point of view application that cause 
customer dissatisfaction.
 defects are recorded for 4 major purposes 
 1) to correct the defects 
 2) to know the status of the aplication 
  3)to develop the defect expectation in future aplication
  4) to maintain the quality of the application.

sa person makes an error it causes fault in the software it 
result failure in operation.

It is varience between expected and actual results

Defect: Developed Product having any bugs, that should be 
found by Client is call Defect. 

1) Error : while developing the application incase any 
mistakes in the application is called Error. we will get 
developer hand or developer place.

2) Bug:  while Testing the application incase any mistakes 
in the application is called Bug. we will get Testers hand 
or developer place.

3) Defect : After develop the application incase any 
mistakes in the application is called Defect. we will get 
Clients developer place.



 M  Dora Babu   S O N T A S O F T W A R E     
BANGLORE     Mail me @  mdorababum@gmail.com

During these testing testing team report the defect to 
developers==== in terms
1. Mismatch between expected and actual.
2. Missing funanality to customer requirements.
When defects are accepted by development team. They are 
calling defects as bugs. Some times defects are known as 
issus.defects arises in application due to errors in coding.

If a software misses some feature or function from what is 
there in the requirement then is called a defect.

A Bug is a fault in a pgm which causes the function to 
perform in an unintended manner or unanticipated manner.