black box vs robot

black box

noun
  • A theoretical construct or device with known input and output characteristics but unknown method of operation. 

  • A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident. 

  • A device used in phreaking that prevents the calling party from being billed for the call placed. 

  • A type of theater characterized by a lack of decoration or complex mechanisms. 

  • Any similar device on motor vehicles, such as rail event recorders and ship trip recorders. 

verb
  • To focus on the inputs and outputs without worrying about the internal complexity. 

robot

noun
  • A machine built to carry out some complex task or group of tasks by physically moving, especially one which can be programmed. 

  • A habitual poster on the /r9k/ board on 4chan; a member of the /r9k/ community. 

  • A theodolite which follows the movements of a prism and can be used by a one-man crew. 

  • A traffic light (from earlier robot policeman). 

  • A style of dance popular in disco in which the dancer imitates the stiff movements of a stereotypical android robot. 

  • A person who does not seem to have any emotions. 

  • An intelligent mechanical being designed to look like a human or other creature, and usually made from metal. 

  • A system of serfdom used in Central Europe, under which a tenant's rent was paid in forced labour. 

How often have the words black box and robot occurred in a corpus of books? (source: Google Ngram Viewer )