The Concise Oxford Dictionary of Proverbs (211 page)

BOOK: The Concise Oxford Dictionary of Proverbs
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GARBAGE in, garbage out
Garbage
is a colloquial term in data processing for ‘incorrect input’ which will, according to the proverb, inevitably produce faulty output. The acronymic form
GIGO
is also found.
1964
CIS Glossary of Automated Typesetting & Related Computer Terms
(Composition Information Services, L.A.) 15
The relationship between input and output is sometimes—when input is incorrect—tersely noted by the expression ‘garbage in, garbage out.’
1966
Integrated Data Processing Systems
v.
Many data processing departments put their best operators on verifiers because they wish to avoid the effect of the GIGO principle (Garbage In—Garbage Out).
1979
Management Services in Government
Nov. 198
There are two ways to make the best of their [typists'] skills … The second reflected the old computer adage, ‘garbage in, garbage out’. Typists can get through their work more quickly when they are working from good clear source documents.
1987
Washington Times
10 Sept. F4
The computer rule, ‘garbage in, garbage out’ applies to the human mind just as much as it does to the computer.
1996
Washington Times
26 Feb. A19
This brings into play the old computer-industry dictum: Garbage In, Garbage Out.
action and consequence
;
error

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