Show-and-tell

show and tell

noun
1.
an activity for young children, especially in school, in which each participant produces an object of unusual interest and tells something about it.
2.
Facetious. any informative presentation or demonstration, as to introduce a new product or divulge and explain a special plan.

Origin:
1950–55

show-and-tell, adjective
show-and-teller, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Etymonline
Word Origin & History

show-and-tell
elementary school teaching tool, 1948, Amer.Eng.
Online Etymology Dictionary, © 2010 Douglas Harper
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FOLDOC
Computing Dictionary

Show-And-Tell definition


A visual dataflow language designed for use by elementary school children.
["A Visual Language for Keyboardless Programming", T. Kimura et al, TR WUCS-86-6, CS Dept Washington U, Mar 1986].
["Show and Tell: A Visual Language", T.D. Kimura et al in Visual Programming Environments: Paradigms and Systems, E.P. Glinert ed, IEEE Comp Sci Press, 1990, pp. 397-404].
(1995-01-31)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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