What piece of computer equipment is needed to electronically transfer information through a transmission line to another location?

Question

Quizplus · Accepted Answer

A modem is needed to electronically transfer information through a transmission line to another location. The modem converts the digital signal from the computer into an analog signal that can travel over the telephone lines or other transmission medium and then back to a digital signal at the receiving end. A central processing unit, scanner, or keyboard are not directly involved in the transmission of information through a transmission line.

What Piece of Computer Equipment Is Needed to Electronically Transfer