testing the application in 
development site by the 
customer.

testing of an application when development is nearing 
completion; minor design changes may still be made as a 
result of such testing. Typically done by end-users or 
others, not by programmers or testers.

testing done by end users ie client witin the company bit 
outside the development group

Testing the application on to the development site by the
client/Customer 
just for confirm that the software working 4 the business
point of view and there in no any problem 4 accessing the
Applicaton

After completion of functional and system testing an
orginization  concentrate on unser acceptance testing to
collect feedback from customer site people. they can use two
types of testing techniques depend on situation. they are

alpha testing: it is conducting along with the customers
w.r.t. their requirements