wot does internet gateway works??

Answer 1

A device that connects multiple computers to a single cable or DSL line for Internet access. It includes a broadband router and an Ethernet switch for attaching four or more computers by wire. Also called a "residential gateway" and "Internet gateway," the device may also include an access point for wireless transmission as well as the cable or DSL modem.

A router or server that converts IP packets to IPX, AppleTalk or some other non-IP format and vice versa. It is used to connect non-IP networks to the Internet.