control operation vs control function

control operation and control function both are nouns.

Word	Noun	Adjective	Verb	Adverb
control operation	Yes	No	No	No
control function	Yes	No	No	No

As nouns, control operation and control function are synonyms defined as:

control operation and control function: an operation that controls the recording or processing or transmission of interpretation of data

control operation (noun)	control function (noun)
an operation that controls the recording or processing or transmission of interpretation of data	an operation that controls the recording or processing or transmission of interpretation of data