Different between intelligence and consciousness?.Its principle can be used to test machine consciousnesses such as emotions and self-awareness.Turing test was designed to test machine intelligence.Test Intelligence or Test Consciousness? Its judgment is based on the reactions of the machine rather than its pro-actions.It tests only intelligence of “brain without body”, whose inputs are from the keyboard whose outputs are sentences on screen.It gives an objective notion of intelligence.“External performance” is a objective, measurable and consistent benchmark.It’s difficult to measure internal intelligence mechanism – because we do not quite understand it yet, and different persons may have different mechanisms.One needs a benchmark for machine intelligence.To check whether a machine is as intelligent as humans.If the interrogator cannot tell whether he/she is talking to is a person or a computer, then the computer is viewed to be as intelligent as the person.A person and a computer, being separated in two rooms, answer the tester’s questions on-line.