oracle machine
noun1
Computing, Computing theory, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences In computability theory, a form of theoretical Turing machine, able to solve even undecidable decision problems in a single operation.
- See also: o-machine
- Thus, an oracle machine (which enacts an oracle algorithm) would be like an ordinary Turing machine, except that adjoined to its ordinary computational operations would be another operation: ‘Call in the oracle and ask it whether C_q(n) stops; […]1994, Roger Penrose, “Quantum theory and the brain”, in Shadows of the Mind, Oxford University Press, →ISBN, page 380: