Chapter 1 ( Source: Google) Intelligence What is “Intelligence”? -- Everyone has his own definition but no one has a precise one at that -- Everyone agrees that humans and dogs are intelligent, trees are not What is AI? Two dimensions: 1.Thought processes and reasoning (internal) 2.Behavior (external) Two factors for measuring success along each dimension: 1.Success in terms of fidelity to human performance 2.Success in terms of an ideal performance measure, called rationality. Acting humanly: Turing Test •Turing Test -- Proposed by Alan Turing in 1950 -- Designed to provide a satisfactory operational definition of intelligence -- A computer passes the test if a human interrogator, after posing some written questions, cannot tell whether the written responses come from a person or from a computer -- No physical interaction between the interrogator and the c