modems were designed to be used with all computers when using ethernet, however some modems have problems as the driver software for usb connection is not compatable, but any industry professional who knows their stuff will tell you, never use a usb moden.
For ISDN (Integrated Services Digital Network), the hardware required typically includes an ISDN terminal adapter or an ISDN modem, which connects to the user's device and the ISDN line. On the software side, users may need drivers or configuration software to manage the connection. In contrast, ADSL (Asymmetric Digital Subscriber Line) requires an ADSL modem or router to connect to the telephone line, and it usually includes built-in software for configuration and management. Additionally, users may need a compatible computer or device with an Ethernet port to connect to the ADSL modem.
The port speed setting for a modem, controls the speed that the computer communicates with its modem.
Who told you it had no USB ports? Of course it has USB ports. The iMac has 4 USB ports, 1 Firewire port, 1 Thunderbolt port (2 on the 27" iMac), 1 Ethernet port.
A USB modem plugs into your USB port.A "normal" modem plugs into your RS232 port or your parallel port.
Port speed is how fast the computer talks to the modem. Modem speed is how fast the modem talks across the phone line to the other modem.
No, iMac G3's were discontinued before SATA was introduced
There is a combined headphone and optical digital audio output (minijack) socket. On the current iMacs it is the first socket on the back.
On the back of the computer screen.
Yes, this will connect a computer to a second port on your modem/router
It is the Network access service
If your not using it then don't worry about it. But motherboards don't come with a modem port. A modem port is on an add on card like a PCI Modem. Take out the old one and insert another and load the drivers from the included CD that is the cheapest way.
You need to connect a modem using the modem port and the telephone cable.