Question

What is a modem and what are its uses?

Answer 1

Answer:

a combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a phone line. Basically, a modem is used to connect the analog world to the digital world. In other words, you can say it is the device that is used to convert the analog signal to digital signal

Explanation:

Answer 2

Answer:

a modem is used for transmitting and receiving data over a communication channel, such as twisted-pair telephone lines, coaxial cables, and optical fibres.

Modem is short for "Modulator-Demodulator." It is a hardware component that allows a computer or another device, such as a router or switch, to connect to the Internet.