What part of computer that provides internet access

It is the router i have to put hella words and alla dat but itz tha router

If you’re talking about the computer itself, it can be one of three things.

1) An internal wireless piece (one inserted on the motherboard
2) Am external wireless piece (a usb stick that provides wireless internet)
3) An ethernet cable plugged into the back of your computer

If you want the strongest connection, use an ethernet cable.

Also I recommend to not use wifi extenders, they suck.

You click on it and type