A ____ refresh tag tells the browser to automatically refresh a page after a certain amount of time.

Steven is working on a database that stores student data. He needs to find students majoring in either one of two majors. He is looking for students majoring in Economics. He also is looking for students majoring in History. Which operator would Steven use to find this information?

A) OR B) AND C) NOT D) NULL

____________________ box controls are used to display and edit data on a form.

Fill in the blank(s) with the appropriate word(s).