Case 1-1tom has just started working as an intern for a local radio station. he is responsible for managing the request line and presenting request trends to management each month. tom uses microsoft powerpoint 2016 to create his presentations. as he hovers over each choice, tom sees his slide change automatically. what tom is experiencing is called

The answer is Live Preview.

Explanation:

Live Preview is a Powerpoint tool that helps the user to find out how a singular choice will change the appearance of the presentation, without committing any change. This application allows the user to edit any slide and see the changes without any risk of damaging the rest of the presentation.

It lets the user see how an actual change will look on the slide  object before the user decides to accept or decline the change.

It is a powerful resource, because we know how handful it is to prepare a powerpoint presentation.