Dirt effect

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Dirt effect is a colloquial term from the technical field for irregularly occurring malfunctions. This was coined at the time of the relay computer, because dirty or oxidized relay contacts often falsified a result, but the calculation was correct when it was run again.

Further colloquial uses:

Noise component in physical or optical measurements that is higher than the signal component (see signal-to-noise ratio ). The signal portion that is used for evaluation is "dirty".
Jamming that occurs irregularly in a computer program is also jokingly dismissed by programmers as a dirty effect.

literature

Curt Rint : Handbook for Radio Frequency and Electrical Technicians . 2 volume. 13th revised edition. Hüthig and Pflaum Verlag GmbH, Heidelberg et al. 1981, ISBN 3-7785-0699-4 .