garbage in, garbage out

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, LA.) 15 The relationship between input and output is sometimes—when input is incorrect—tersely noted by the expression ‘garbage in, garbage out’.

1966 E. J. & J. A. MCCARTHY 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).

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.


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  • Garbage In, Garbage Out — (abbreviated to GIGO, coined as a pun on the phrase First In, First Out) is a phrase in the field of computer science or information and communication technology. It is used primarily to call attention to the fact that computers will… …   Wikipedia

  • garbage in, garbage out — garbage ˌin, garbage ˈout written abbreviation GIGO COMPUTING used to say that if you put bad information into a computer, you will get bad results * * * garbage in, garbage out UK US noun [U] ► GIGO(Cf. ↑ …   Financial and business terms

  • garbage in, garbage out — (computing, etc) see ↑GIGO • • • Main Entry: ↑garbage * * * (abbr.: GIGO) used to express the idea that in computing and other spheres, incorrect or poor quality input will always produce faulty output * * * garbage ˌin, garbage ˈout idiom …   Useful english dictionary

  • Garbage in, Garbage out —   [Abk. GIGO, dt. »Müll rein, Müll raus«], ein Erfahrungssatz der elektronischen Datenverarbeitung, der in aller Kürze ausdrückt, dass die Eingabe von schlechten, inkorrekten Daten auch zur Ausgabe von entsprechend schlechten, inkorrekten Daten… …   Universal-Lexikon

  • garbage in, garbage out — (GIGO) quality of the input entered into a computer affects the quality of its output …   English contemporary dictionary

  • garbage in, garbage out — If a computer system or database is built badly, then the results will be bad …   The small dictionary of idiomes

  • Garbage In, Garbage Out — GIGO (Garbage In, Garbage Out), ist ein Axiom aus der Informatik, welches besagt, dass ein System ungültige Ausgaben produziert, wenn die Eingabe ungültig war. Dies bezieht sich ursprünglich auf Software, aber auch auf andere Systeme. Entstanden… …   Deutsch Wikipedia

  • Garbage in, garbage out. — mainly American something you say which means that something produced from materials of low quality will also be of low quality. The meals are pretty poor but then they never use fresh ingredients garbage in, garbage out …   New idioms dictionary

  • garbage in, garbage out — (GIGO)  Output can be no better than the quality of the inputs.  ► “Systems are no better than the quality of data received from users; reusing proven building blocks frees users to focus on the difference between what is already available and… …   American business jargon

  • garbage in, garbage out Computing, — informal incorrect or poor quality input will produce faulty output. → garbage …   English new terms dictionary

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