It is "Completely Automated Public Turing Test to distinguish between Computers and Humans" in the document, but you might observe the two Ts and no final A in that expansion. A more widely accepted expansion seems to be "Completely Automated Public Turing test to tell Computers and Humans Apart".
It is "Completely Automated Public Turing Test to distinguish between Computers and Humans" in the document, but you might observe the two Ts and no final A in that expansion. A more widely accepted expansion seems to be "Completely Automated Public Turing test to tell Computers and Humans Apart".