# Control operation

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For the econometric concept, see [control function (econometrics)](/source/Control_function_(econometrics)).

In [telecommunications](/source/Telecommunications), a **control operation** (**control function**) is an [operation](/source/Instruction_(computer_science)) that affects the recording, processing, [transmission](/source/Transmission_(telecommunications)), or interpretation of [data](/source/Data).

Examples of control operations include a font change, or a rewind; and transmitting an end-of-transmission (EOT) [control character](/source/Control_character).

## References

This article incorporates [public domain material](/source/Copyright_status_of_works_by_the_federal_government_of_the_United_States) from [*Federal Standard 1037C*](https://web.archive.org/web/20220122224547/https://www.its.bldrdoc.gov/fs-1037/fs-1037c.htm). [General Services Administration](/source/General_Services_Administration). Archived from [the original](https://www.its.bldrdoc.gov/fs-1037/fs-1037c.htm) on 2022-01-22.

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Adapted from the Wikipedia article [Control operation](https://en.wikipedia.org/wiki/Control_operation) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Control_operation?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.