what is a modem and explain how it work
Answers
Answer:
Modem stands for Modulator dem Modulator. It is a device which is used to send or receive information through telephone lines etc.
Modem can be classified into 2 main categories.
1 Internal modem- It is a device that is already installed in the system.
2 External modem- It is a modem that is already installed in the CPU.
Answer:
modem:
A modem is a hardware device which means modulator-demodulator.
modems are used to transfer data from one computer network to another computer network through telephone lines.
the computer network works in digital mode, while analog technology is used for carrying messages across phone lines.
the modulator converts information from digital mode to analog mode at the transmitting end and demodulator converts the same from analog to digital at receiving end.