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black box theory
Black box theories are things defined only in terms of their function.〔(Definition from Answers.com )〕〔(definition from highbeam )〕 The term ''black box theory'' is applied to any field, philosophy and science or otherwise where some inquiry or definition is made into the relations between the appearance of something (exterior/outside), i.e. here specifically the things black box state, related to its characteristics and behaviour within (interior/inner).〔(Black box theory applied briefly to Isaac Newton )〕〔(Usage of term )〕 Specifically, the inquiry is focused upon a thing that has no immediately apparent characteristics and therefore has only factors for consideration held within itself hidden from immediate observation. The observer is assumed ignorant in the first instance as the majority of available data is held in an inner situation away from facile investigations. The ''black box'' element of the definition is shown as being characterised by a system where observable elements enter a perhaps imaginary box with a set of different outputs emerging which are also observable.〔(Physics dept, Temple University, Philadelphia )〕
==Origin of term==
The term'' black box'' was first recorded used by the RAF of approximately 1947 to describe the sealed containment used for apparatus of navigation, this usage becoming more widely applied after 1964.〔(online etymology dictionary )〕 The identifier is therefore applied to objects known as the flight data recorder (FDR) and cockpit voice recorder (CVR). These function to record the radio transmissions occurring within an airplane, and are particularly important to persons who engage into an inquiry into the cause of a plane crashing, where the plane is caused to become wreckage. These boxes are in fact coloured orange in order that they be more easily located.〔(howstuffworks )〕〔(cpaglobal )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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