Answer Posted / vital reddy
instead of waiting for user response (locking the
resource) we are releasing the resource and once the user
enters the data then we will call back the program and use
the resource.in the user point of view ,this is conversation
mode but program is logically terminated.
it is used to over come resource wastage.
Ex:requirement is fill a online form,first connect that then
fulfill all details.once connect until submitting of that
form resource is waiting from user point of view but in
pseudo conversation the resource was already released.
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