If you bought the ethernet adapter for the Wii, then you can connect your Wii directly to your cable modem like any computer. On some ISPs, you may have to register the console's hardware (MAC) address ahead of time so that it can access the internet.
Without the ethernet adapter. The Wii cannot be connected directly to a modem. A wireless router would need to be set up.
If you want to have internet on that laptop you need to be connected to internet provider which usually happens directly (connected to the modem) or indirectly (connected to the modem through wired or wireless router).
For cable modem networking to work the cable modem will need to be connected to a network hub. This will allow all computers in the network to connect to the internet.
RJ11 Cable
Yes.
You purchase a router and connect it to the cable modem and then connect everything to the router. Otherwise you have to unplug whatever is connected to the cable modem (for example a PC) and plug in the PS3 . Whatever you have unplugged is no longer connected to the internet until you unplug the PS3 and plug it back into the modem. Once the PS3 is connected to the cable you need to go to network settings on the PS3 and set up the network connection.
If you have an ethernet cable plug it into the modem and they should be connected. My Modem is connected with a router to the rest of the network and with the internet modem and is both wireless and wired
Ethernet cable of cat 5e or cat 6 connected to modem or router
No
The PS3 does not have a router. It can go online with an ethernet cable connected to a router or modem or with WiFi from a wireless router or modem
Yes, the PS3 can be connected via an ethernet cable directly to the router or modem.
An internal modem is housed within the main computer. An external modem is on the outside of the computer and connected to the computer with a cable.
Buy an Cat 5 or 6 ethernet cable that is long enough to reach the modem and plug it into the back of the PS3 and the back of the modem. You may need to purchase a router to allow anything else to also be connected. After you have connected the cable go to network setting on your PS3.