Modem stands for modulation and demodulation. It is a communication
device used to transfer the data using telephone line. It converts
analog signals into digital signals and vice versa.
- It is a device that converts digital data into analog for transmission over analog network medium and then back to digital at the receiving end.
Modem are of different types:
- Telephone (POTS - Plain Old Telephone Service)
- DSL
- Cable