garbage in, garbage out


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garbage in, garbage out

Having inferior or incorrect materials, information, instructions, etc., at the beginning of a process will yield inferior or incorrect results. (Said especially of computer systems.) When used properly, these automation services can expedite the process tenfold, but only if the people running them are putting in the correct information from the outset—garbage in, garbage out. All the skill in the world won't help if you are cooking a dish with bad ingredients. As they say in the computer industry, garbage in, garbage out.
See also: garbage, out

Garbage in, garbage out.

Prov. If you give nonsensical instructions to people or computers, those instructions will produce nonsensical results. Jill: Why is my computer generating all this gibberish? Jane: You must have made a mistake in the program. Garbage in, garbage out. Ed insists that children are so ignorant nowadays because their teachers are incompetent. "Garbage in, garbage out," he says.
See also: garbage, out

garbage in, garbage out

If you say garbage in, garbage out, you mean that if you produce something using poor quality materials, the thing that you produce will also be of poor quality. Thomas warned that accurate data would be vital to the success of the scheme. `We must avoid garbage in, garbage out.' Note: This expression comes from computing. If the wrong information is put into the computer, the output will be useless.
See also: garbage, out

garbage in, garbage out

incorrect or poor quality input inevitably produces faulty output.
This expression is often abbreviated as GIGO . The phrase originated in the mid 20th century in the field of computing, but it can now have a more general application.
1987 Washington Times The computer rule ‘garbage in, garbage out’ applies to the human mind just as much as it does to the computer.
See also: garbage, out