A callback function is code that's called, or run, when a specific event such as a click of the mouse, happens.Callback is another name for a callback function. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Answer:
Action Center
Explanation:
The Action Center is a feature in window 8.1 that monitors security and maintenance on your computer.It notifies you when there is an issue.Through this user can view alerts and updates about software support problem.
