verifying whether the application is working according to 
customer requirements or not
                               or
finding out the differences between expected values n 
actual values

Testing is nothing but executing a program with an intent 
of finding an error

Hi,

   Testing: To prove that the application is working as 
expected to the client requirements.

Regards,
Satya.k

Testing is the ability to identify the
compatibility,feasibility,correctness and seurity of a
software.Testing is the process working with the intent of
finding the errrors.

nitin9360@yahoo.com

Testing is nothing but verification and validation....it is 
checking for bugs and delivers quantity to the 
application...

testing is the process consisting of all life cycle 
activities , both static and dynamic concerned with the 
creation, development and maintenence of software  products 
and related work products in order to determine if the 
product meets the requirements,is fit for purpose,and to 
detect defects

Testing is the process of identifying the defects.defects
means deviation from expected result.there are three types
of testing they are:
1.white box testing:done by the developers
2.black box testing;done by test engineers
3.Grey box testing:combination of white box and black box
testing.

Software Testing is the process of executing a program or 
system with the intent of finding errors.