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.
To focus on the inputs and outputs without worrying about the internal complexity.
A work-holding or support device used in the manufacturing industry.
A scheduled match.
A regular patron of a place or institution; a person constantly present at a certain place.
A lighting unit; a luminaire.
Something that is fixed in place, especially a permanent appliance or other item of personal property that is considered part of a house and is sold with it; compare fitting, furnishing.
A state that can be recreated, used as a baseline for running software tests.
To furnish with, as, or in a fixture.
To schedule (a match).