plural of Harvard machine

plural of rotor machine

(cryptography) An mixed electronic and mechanical stream cipher composed of a serious of wheels, widespread use from the 1920s–1970s.

plural of threshing machine

plural of ghost in the machine

plural of ghost in the machine

(accounting, computing, statistics, dated) Electromechanical machine used to summarise information and perform accounting calculations.

plural of tabulating machine

(computing theory) A hypothetical computational model, related to Turing machines, that would be capable of carrying out computations involving a countably infinite number of algorithmic steps.

plural of Zeno machine