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Question
What is the difference between bug,defect, error, failulre, 
fault & mistake?
 Question Submitted By :: Karthis4u
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 1
Error is human made mistake
Defect is when this mistake is present in the component or
application.
Failure is the deviation from what the system is supposed to
do due to the presence of defect
 
Is This Answer Correct ?    11 Yes 7 No
Rizwan
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 2
Bug: Error which appears during testing phase

Defect: Error that appears during development phase

Failure: When the result is not equal to actual result then 
it is said to be Failure

Fault & Mistake: Errors which are made at that time and 
recognised at that time itself
 
Is This Answer Correct ?    9 Yes 9 No
Pradheesh
 
 
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 3
Defect is the deviation from Requirements given by 
customer/client.(Black Box Testing)
Error is related to the development activities it may be 
synatctical or logical error.(White box testing)
Failure is the impact of error/defect on other features of 
program or application.(Black box testing)
Bug is the informal name given to defect(BBT)
 
Is This Answer Correct ?    8 Yes 1 No
Raghavendra Chitral
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 4
1. Fault & Mistake: wrong coding done by Developers
2. Failure: When the result is not equal to actual result 
then it is said to be Failure
3. Error: Faults and Mismatches in Coding during testing is 
called Error
4. Defect: When Testengineer find that Errors called that 
Defect
5. When Developers Accepted that Defects then it is called 
Bug
 
Is This Answer Correct ?    3 Yes 3 No
Gumnam Tester
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 5
Bug/Defect :

A bug or defect is a flaw in a system or system component 
which may cause the system or the system component fail to 
perform its desired action.

Error :
It is a human mistakes

Failure :
If the product or the application falied to perform its 
desired action according to end-uesr prospective.

Fault :
It is a incorrect intermediate statement encounter during 
program execution

Mistake :
Nothing but error raised by human action
 
Is This Answer Correct ?    3 Yes 2 No
Rudraneel
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 6
Answer no six is good one

Nonu
 
Is This Answer Correct ?    0 Yes 4 No
Nonu
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 7
BUG: A Bug is a Application Error, in Software doesn't
affect the whole application in terms of running.It doesn't
stop the execution of application.It produces wrong output.
                     OR
Anything that prevents the software program to perform   
its required function.
                     OR
Any thing that effects functionality.
                

Error : A mistake made by programmer.
                 OR
        Anything that stops the execution of application.

FAULT: An incorrect step, process, or data definition in a
computer program which prevents the program to perform an
intended or anticipated manner.

FAILURE: A failure occurs when a fault is executed.The
inability of a system or component to perform its required
functions within specified performance requirements.

DEFECT : If a problem occurs once the application is hanged
to the end user or client.

    we Can Say:
                Error >> Fault >> Failure >> Defect
 
Is This Answer Correct ?    4 Yes 1 No
Mrs Phogat
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 8
all are relatively the same because all of them are caused due  
to the human carelessness.
 
Is This Answer Correct ?    1 Yes 2 No
Karthic
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 9
error: A human action produce incorrect result.
bug: during the development period the product error may be 
occur this kind of error called bug.
 
Is This Answer Correct ?    0 Yes 1 No
Prasanna
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 10
bug, error,these r the issue which reduces the quality of
the softwarte
 
Is This Answer Correct ?    1 Yes 2 No
Pkm
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 11
Defect is something is not working according to the
requirement OR Deviation from requirement specification.

Bug is the informal name given to the defect.

Error is generally used by the developers
i.e compile time error and run time error.

Failures are caused by the defects.
 
Is This Answer Correct ?    2 Yes 1 No
Dhanraj.n
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 12
Error/Mistake : It is human action that could result in 
incorrect result.

Bug/Defect/fault : Flaws in component or system that may 
cause system or component to fail to perform its specified 
operation.

Failure:Deviation from specified result. 

If user has used software incorrectly then that's error and 
it ll result into bug and if this bug is occured during 
execution of component then system will fail.then its 
called as failure.
 
Is This Answer Correct ?    0 Yes 0 No
Varshab
[Sankalp]
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 13
Bug: If there is any mistakes in the coding is called Bug.

Defect: Bug leads to Defect in the component.

Error: The mistakes made by Human Being is called error.

Failure: If the defect comes to the end user is called 
Failure.
(Or) the mismatch of actual and the expected is also a 
defect.
 
Is This Answer Correct ?    1 Yes 0 No
Geetha
 
  Re: What is the difference between bug,defect, error, failulre, fault & mistake?
Answer
# 14
bugs is an error found before the application goes in to 
the production
error it is an undesirable deviation from requirements
defects : is an application after goes in to the production
fault: when everything is correct but no output that is 
called the fault
failure:in correct output
 
Is This Answer Correct ?    0 Yes 0 No
Padma
 

 
 
 
Other Manual Testing Interview Questions
 
  Question Asked @ Answers
 
what type of diffects we can find while preparing the test plan Patni2
Describe me to the basic elements you put in a defect report?  4
What is the Entry Point for Test Plan?  6
when errors occurs in ur script wat will u do IBM9
how does a client server environment affect testing?  1
what type of documents can u prepare during Testing? Covansys5
what is testing methodologies manually following by the tester in an company? pl give me answer SGT2
Can anybody send me sample test case for GUI testing for a web page? for eg Homepage  1
Which is a form of Functional testing 1)B V A 2)Usability testing 3)Performance testing 4) Security testing.Its urgent  8
on what basis a tester writes test cases,i mean is it only based on FS and if so how can they know that a certain no of test cases can be written even b4 they write the test cases.bcoz a test plan contains how many test cases to be written by each tester.  1
If the developer rejects that its not a bug means then whats the next step we follow? Logica-CMG8
i got my Quality center cd from Nageswararao institute?can any body help me how to install it?  2
what is black box testing CTS11
Can u specify one Deadlock or Processlock issue in a client server application? Kanbay1
I HAV BEEN TO ONE INTERVIEW FEW DAYS BACK, tHEY ASK ME " TELL ME THE DIFFERENCE BETWEEN MANUAL & AUTOMATION TESTING" CAN ANYONE PLASE TELL ME THE PROPER ANS FOR THE SAME. THANK YOU CitiGroup6
wht is the diff b/w funtional testing and integration testing  3
What is Build and what is Installation testing? Covansys1
what is the role of moderator in testing?  2
give some good bugs that u have found ? CTS1
What is the Test Methodology and Framework in Testing?and what ur following in ur company? Accenture3
 
For more Manual Testing Interview Questions Click Here 
 
 
 
 
 
   
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