Tub file

Tub file

The tub file was an early, primitive random access memory technology in which pre-punched punch cards that contained frequently used information were stored in a file for reuse. Usually such tub files would contain a series of related data — one for each item sold in a store, for example — so that data would be easy to find and reuse.

References

* cite journal
last = Crosby
first = Kip
coauthors = Elbaum, Max
title = Just Like the Golden Gate Bridge: Rey Johnson and Jack Harker talk about RAMAC
journal = The Analytical Engine: Journal of the Computer History Association of California
volume = 1
issue = 4
pages = 4–5
date = April-June 1994
url = http://www.chac.org/engine-ascii/engv1n4.txt
id = ISSN: 1071-6351
accessdate = 2007-06-22

* cite journal
last = Anderson
first = Arthur O.
title = Reynold B. Johnson: 1906–1998
journal = Memorial Tributes: National Academy of Engineering
volume = 9
pages = 141
publisher = National Academy Press
date = 2001
url = http://books.nap.edu/openbook.php?record_id=10094&page=141
id = ISSN: 1075–8844, ISBN: 0–309–07411–8
accessdate = 2007-06-22


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