State transition testing:-  If we pass different input variables to check multiple state that is called state transition testing.

When we login with valid pin code in ATM then it will process to transaction menu otherwise it will provide try again message and provide re-enter pin code ,it is the example of state transition where state of machine will be changed according to input data.

Decision Table testing:-   Using this we can check software using different input condition.It will return true condition and false condition result ,it can also provide branching and nesting.
If we create greatest number program using three different number than it is the part of decision table testing.

IT is best way to perform testing operation.

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