Answer / t.j.stanley

Bug is an error in developer point of view.
Defect is an error in tester point of view.
Failure is an error in customer point of view.


Developer - Tester - Client/end user
| | |
BUG DEFECT FAILURE

Answer / spangles

Error is an undersirable deviation from requirement. any
problem or cause for many problems which stops the system to
perform its functionality.

Failure - any expected action that is suppose to happen.
absence of expected response for any request.


bug - any missing functionality or any actin that is
performed by the system which is not supposed to be performed
" is an error found BEFORE the appln goes into production?

Reason for the birth of bug
Wrong functionality
missing functionality
extra or unwanted functionality

Answer / jyoti

A human miskate in the coding is all "Error".
Due to this error in the coding the test engineer find the
missmatchs is call "Defect".
When this defect is accepcted by the developer it is known
as "Bug"
The defect is some time is also call as "Issue".





Regards,

Priyanka Tambad,

Software Engineer,

JAMS Technologies PVT.LTD.

Answer / murali

Error - Human Made Mistakes in writing Code.

Bug - This Error Produces a Defect called as Bug

Failure - Due to this bug system fails to do the expected work is called as failure.

Answer / krishna

Error: Functionality is Missing
Bug:Functionality is there,but not working properly

if a software performance is not up to the mark or
expectations of the Customer,we can say that its a failure.


Most of the times,Error and Bug are of same ,but they
differentiate in their definition

Answer / avinash chava

Failure is a term used when customer is not satisfied with
the application

Error is a term used to point out programatical mistake.

If any functionality is not working as per requirments then
it is called bug/defect/Issue.

Answer / madhu.p

bug:if any mistake find a tester in testing time then it is called "bug"

error: if any mistake find in coding time then it is called as "error".

defect: if the bug is given to the developer then it fix to the developer or accept the bug then it is called "defect"

Answer / ramakrishna

BUG:deviation from expected is called a bug.
Failure: if any product that not satiesfies the customer need.

Answer / marcin

bug - a static mistake of a developer inside the code

error - wrong inner state of the application in runtime, i.e.
unexpected value of a variable; may be caused by a bug or by
some abnormality of execution environment

failure - a visible result of an error, i.e. unexpected
result, usually caused by an error

Answer / asad

bug, (failure), error, success, pass etc are the names for
RESULT

so....
when the analysis is done on the result then we give any of
the namings among the groups mentions(etc)
the only exception is when we dont get the result at all is
a FALIURE!
when we get the result then comes the remaining
terminoloigies...Iff it is as expected the result is said
to be pass/sucesss... etc other wise
we have the result ... but its not what has been expected
it is an error...! AND
the reson for an such error(S) is a BUG!

IS V Model a Process model or a Technique ? Can V process/Technique if answer for above be implemented in WaterFall Model.

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