Garbage in, garbage out | GIGO

This page is about the saying "Garbage in, garbage out | GIGO"

American English

Possible meaning:
Incorrect or bad input results in incorrect or bad output.

garbage (noun): rubbish, trash, nonsense

Origin: This saying originated in computing, where faulty data going into a computer inevitably results in faulty results coming out. This is the origin of the acronym GIGO.


This is typically used in American English but may be used in other varieties of English too.

Quick Quiz

The saying "Garbage in, garbage out" suggests that there is a relationship between output and

a. input

b. garbage

c. throughput

Saying of the Day

Contributor: Josef Essberger