what is modem explain in detail?
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A
modem is a hardware device that allows a computer to send and receive information over telephone lines. When sending a signal, the device converts ("modulates") digital data to an analog audio signal, and transmits it over a telephone line
A modem or broadband modem is a hardware device that connects a computer or router to a broadband network. For example, a cable Modem and DSL modem are two examples of these types of Modems.
Tip: Today, a "modem" is most often used to describe a broadband modem. However, can also be used to describe what was initially considered a modem (described below) and is also used to connect to the Internet.
Note: A broadband modem is an externaldevice that connects to your computers and other network devices using either a network cable or over a wireless connection.
Short for modulator/demodulator, a modem is a hardware device that allows a computer to send and receive information over telephone lines. When sending a signal, the device converts ("modulates") digital data to an analog audio signal, and transmits it over a telephone line. Similarly, when an analog signal is received, the modem converts it back ("demodulates" it) to a digital signal.
Tip: To help prevent confusion between a broadband modem, you can refer to this modem as a dial-up modem.