Modem

A modem (MOdulator/DEModulator) is a device used to connect a computer to an ISP.

Modems generally come in two forms:

• Modems used to connect a computer to the Internet through an analogue (non-digital) line, like dial-up modems.
• Modems used to provide an Internet connection through digital lines,like DSL modems.

Wireless modems use wireless connectivity technology