An informal rule holding that the integrity of output is dependent on the integrity of input.
An acronym noting the fact that garbled input to a computer results in garbled output.
(Garbage In Garbage Out) "Bad input produces bad output." Data entry is critical. All possible tests should be made on data entered into a computer.
"Garbage In, Gospel Out"An alternate meaning. Many people have too much faith in computer output!
Origin of gigo
g(arbage) i(n,) g(arbage) o(ut)