To use an analog telephone system for sending digital data,you must us
A)a modem.
B)a router.
C)DSL.
D)twisted wire.

Question

Quizplus · Accepted Answer

A modem converts digital data into analog signals that can be transmitted over an analog telephone system. It also converts analog signals received from the telephone system back into digital data. Therefore, a modem is necessary to use an analog telephone system for sending digital data.

To Use an Analog Telephone System for Sending Digital Data,you