Any
engineered product
can be listed is one of two ways.
1) Knowing the specified in that a product has
been designed to perform, tests can be conducted
that demonstrate each for fully operational
while at the same time searching for errors
in each tn, called BLACK
BOX TESTING. It alludes to test that
are conducted at the S/W interface. Although
they are designed to uncover errors, black-box
tests are and to demonstrate that S/W fn’s
are designed to uncover errors black box tests
are and to demonstrate that s/w fn’s are
operational, that ip is properly accepted and
op is correctly of external info. (eg. Data)
is maintained. A black – box test examines
little regard for the internal logical structure
of the software testing.