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black box

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black box

 
Use black box in a Sentence
–noun
1. any unit that forms part of an electronic circuit and that has its function, but not its components, specified.
2. any comparatively small, usually black, box containing a secret, mysterious, or complex mechanical or electronic device.
3. Aeronautics. an electronic device, such as a flight recorder, that can be removed from an aircraft as a single package.
4. Automotive. a device in an electronic ignition system that generates electrical pulses.
Origin:
1940–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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black box  
n.  

    1. A device or theoretical construct with known or specified performance characteristics but unknown or unspecified constituents and means of operation.

    2. Something that is mysterious, especially as to function.

  2. See flight recorder.

flight recorder  
n.  A crashworthy device that records data about an aircraft's flight, such as airspeed, heading, and the procedures of the pilot. Also called black box.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

black box

A crash-resistant steel container that holds instruments that record performance data in airplanes. The data are used to analyze the causes of accidents.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

black box jargon
An abstraction of a device or system in which only its externally visible behaviour is considered and not its implementation or "inner workings".
See also functional testing.
(1997-07-03)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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