"Feedback" is the correct answer for the above question.
Explanation:
Feedback is used in any information system or any communication system to tells that any process is doing in the right direction.
It is used in communication channels to tell the sender that the message is received by the receiver.
It is a type of message which is sent by the user to the system that he gets the correct or wrong output by that system.
The above question asked about the term which is used in the information system which suggests changing the processing activity. This is known as feedback which is described above.