Final answer:
A A. modem is the device used to transfer information from one computer to another using telephone lines and servers.
Step-by-step explanation:
The device that is used to transfer information from one computer to another using telephone lines and servers is called a A.modem.
A modem is a hardware device that converts digital information from a computer into analog signals that can be transmitted over telephone lines. This allows the computer to communicate with other computers and servers through the telephone network.
Modems played a crucial role in the development of computer networks and the internet, enabling data transmission over long distances and facilitating the widespread exchange of information.