modem is used to ?
Answers
A modem modulates and demodulates electrical signals sent through phone lines, coaxial cables, or other types of wiring; in other words, it transforms digital information from your computer into analog signals that can transmit over wires, and it can translate incoming analog signals back into digital data that your computer can understand. Most stand-alone modems have just two ports: one that connects to the outside world, and an Ethernet jack that connects to a computer or a router.
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Answer:
Your modem is a box that connects your home network to the wider Internet. A router is a box that lets all of your wired and wireless devices use that Internet connection at once and also allows them to talk to one another without having to do so over the Internet. Often, your Internet service provider will give you one box that serves as both modem and router, but they’re still different technologies; not all modems include routers and not all routers have modems. You need both, integrated or not, in order to provide an Internet