Turing test

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Person A (actually a computer) and Person B both say that they are human. Person C tries to find out whether Person A or Person B is the computer or the human.

The Turing test is a test to see if a computer can trick a person into believing that the computer is a person too. Alan Turing thought that if a human could not tell the difference between another human and the computer, then that computer must be as intelligent as a human.

Test setup[change | change source]

A person has a telegraph, and is connected to two communication partners. One of the two correspondents is a machine. The person can ask anything, with the telegraph. If the person cannot tell which of the two is the machine more than 50% of the time, then the machine is said to be intelligent (or smart).

Later on, people narrowed down the test. A human is unlikely to know everything. Therefore, both the human and the machine would be specialists in some field of knowledge. So would the person asking.

As of 2009, no one has made a computer that can pass the Turing test. However, Elbot came close to 30%.