modem
router/modem
For your computer: Motherboard with an ethernet port Or a network card which isn't too expensive, I personally recommend TP LInk very reliable
No - a firewall is a piece of hardware and/or software to prevent unauthorised access to your computer over the internet.
I would probably say that you mean an internet Card, that is the piece of hardware that has a Ethernet port, or the wireless part. once you connect to the internet, you are going to have to connect all the other computers (that you want to network) to the internet as well. Then create a network that runs through you router.
An internet card is something that allows you to surf the World Wide Web (www) A network card is a local piece of equipment that allows you to connect to other computers on the network.
No, a sound card is a physical piece of hardware.
A modem to connect to a wired cable,a router for wireless,some are both modem and router in one, newer telephones also have the ability to connect to internet.
There is no internet piece to put on the PlayStation 3. Out of the box the PS3 can connect to the internet both wired and wirelessly. To use the wireless you must have a wireless internet connection though.
IDE cables in computers are used to connect Hard Disk Drives and CD/DVD Drives to the motherboard. - Neeraj Sharma
A modem is a piece of hardware. Mechanically installed in a computer to communicate with the internet or other computers. Software is a written program to operate within a computer.
It depends on whether you are referencing to hardware or software. When talking about hardware, it is a place where a piece of hardware can connect to another. When talking about software, interfaces provide access to data or computer resources, such as memory.
A router is a hardware piece that connects several computers (2 or more) to one internet service cable.