By networking them through a router. Search online for information on how to do this.
Additional optionsIf installing a router is not feasible, you can also network the computers together, with one serving the job of router. Also, hubs are a slightly less expensive piece of equipment (though you might need an additional IP address from your cable provider).To hook up two computers to one modem, you get a router.
yes
Networking.
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No, your signal will not weaken with two or more computers accessing the modem. Most modems operate on a 3G network, these modems offer over 300kbits of speed and can accomodate multiple computers. Many Cafe's, libraries and bookstores like Barnes and Noble offer this type of WIFI for their patrons. So, there should not be a problem with you setting up your computers to one wireless modem.
You need an Ethernet hub. Connect your modem and both computers to the hub, and both of your computers will have a connection available. The OS's only affect the connection settings on each computer.
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There is no way to connect two computers using one modem. The best way to achieve this kind task is to connect the system by eathernet. If the transfer is a one off event, or it is a small amount of data then transferring them with a flash disk or CD may be a better option.
eMacs and Mac minis are two totally separate computers, so nothing can hook the two together.
You can use a router, either wired (Ethernet) or wireless to connect two or more computers with a single cable modem. You would need either Category 5, 5e, or Category 6 Ethernet cables to do this. Also, you may set up a wireless Local Area Network (otherwise known as LAN) if your type of router supports that and your computer(s)/devices support it.
Plug the two computers in to the router, and connect the router to the modem.The router may have two kinds of ports, one port marked WAN (Wide Area Network) and several ports marked LAN (Local Area Network). If so, the WAN port goes to the modem and the LAN ports are for your computers.That's it.
A switch is typically used to connect multiple computers in a single residential unit to a modem.