To provide the relation between two or more modules those 
are already cinstructed or under construction to check out 
whether those are working or not.

Combing the modules in the application after developing all
the modules and after conducting unit testing. During
integration testing we are combing the modules and test the
data flow between the modules generally it is conducted by
the developers those who are involved in developing the
modules

All individual unit are integrated and tested is called 
integrated testing

Initially Unit testing is conducted i,e Verifying the logic 
of a single program is called unit testing and also we can 
call as testing a single program.Once Unit testing is 
completed those tested units(program) are intergrated and 
we call it as a module.Then those modules are tested to 
validate that after integrating all the programs that 
module is functioning properly or not and we also call this 
as Component testing also.Once all the  modules are tested 
then those modules are again integrated,To check those 
interconnections are working properly or not we conduct 
integration testing.For Example in Gmail application 
Sentitems,Inbox.... are different modules and developed 
independently.After completely developing those modules we 
will integrate them and conduct integration testing so that 
it is functioning as expected or not, for this we will 
approaches Such as TOP Down,Bottom up,Big Bang,Hybrid 
approach.

If I am wrong please correct me.

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Combined/integrated all the modules and we test exact 
navigation from module to another module.
The purpose of integration testing is to ensure distinct 
components of the application still work in accordance to 
customer requirements.

all the elements(modules)are connected to each other and 
after that we are going for testing

integration testing:-all under control condition of 
application's both the function works correctly or not to 
check that functionality is called integration testing.
thank you.

it is a testing in which units will be tested,these units
will be combined or integrated to form complete system

As the name suggests 'Integration' means intigrating 
somthing, can be any object/product/software module and 
after integrating it, check what's it's functionality, 
performance and all.

Usually, integration testing is done after UNIT Testing and 
before SYSTEM Testing starts in the Software Development 
Life Cycle.

Integration Testing can be done in both of the ways.
By using Black Box Testing Statergy or by using White Box 
Testing Statergy.

Testing the interface/relationship/connectivity/bridge 
between the modules (or) between the features.

it done mainly on two approaches.. 
                    bing bang approach
                    incremental approach
              a) Top downApproach
               b) Bottom Up Approach.

We think Integration Testing should validate if systems
exchange data as in business process definitions. 

A full integration test will consider all systems required
for a business process end-to-end. However it focuses on the
interoperability of the systems and does not consider
organizational issues.

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Giving an error report whether
            a) critical
            b) trivial
            c) normal

it is the testing done once we get all the modules, before
this we do functional testing in this we test each and every
component works or not after this we go for integration
testing  where the components are tested integrating them,
ex: in gmail we have many features like inbox, compose mail,
sent items,,,,,,, so  the functionsl testin is testing each
and every feature but in intg tes.. first the mail is
composed and sent and then it is checked in sent items so
here we integrating two features

integration testin is a interface of software .

Upon completion of unit testing,integration testing
begins.Integration testing is black box testing.The purpose
of integration testing is to ensure distinct component of
application still work in accordance to customer
requirements.Testing cases are developed with the express
purpose of exercising the interfaces between the
components.This activity is carried out by the testing
team.Integration testing is considered complete,when actual
results and expected results are either in line or
differences are expandable/acceptable based on client input.

As the name suggests 'Integration' means integrating 
something, can be any object/product/software module and 
after integrating it, check what's it's functionality, 
performance & what i am get the answer of my Integration.

It is kind of testing by combining modules and checking for 
the data flow between them or Sequence of functional 
testing is called Integration testing

Integration testing is a level of testing performed to 
expose 
defects in the interfaces and in the interactions between 
integrated components or systems.

There may be more than one level of integration testing :-
1) Component integration testing 
2) System integration testing

Within incremental integration testing a range of 
possibilities exist, partly depending on the system
architecture:-
1) Top-down integration testing
2) Bottom-up integration testing
3) Functional incremental integration testing