What allows your computer to communicate over a network and access the Internet?

To connect to the Internet and other computers on a network, a computer must have a NIC (network interface card) installed.

Explanation:

A network cable plugged into the NIC on one end and plugged into a cable modem, DSL modem, router, or switch can allow a computer to access the Internet and connect to other computers. ISPs (Internet service providers)

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.