If you don't exceed the 100 meter rule there should be no problem doing this.
You will need about 12 switches for your setup of 8pcs and 2 printers. You should have extra switches just in case any of the additional switches fail.
Your GPS unit should have come with a USB cable for connecting to a PC.
no
You can hook up any cassette player to your PC by connecting the 2.5 mm audio out to your PC.
The switched used are most commonly mechanical.
A laptop is a PC. You don't need a desktop PC to configure a router, you can use a laptop to do so, by connecting to the router via a network adaptater - either via wifi or ethernet. Both ways of connecting are included on laptops nowadays.
not possible. you have to download software onto an iPod touch via PC
Why would you want to, I just use it as a dildo.
There are many cables and components to a computer. The main cables for connecting the computer would be the power cable, and an Ethernet cable for connecting a non wireless PC to the internet.
There are a variety of ways for connecting a standalone PC to another PC that is connected to the internet depending on the capabilities of the two computers. Examples are Ethernet and Wi-Fi.
We use it for connecting the PC with the Cell. Just connect the PC and the cell with the help of a USB cable and the setup will automatically start doing the rest of the work.
It isn't necessary to run a firewall at all, but it is a prudent practice when connecting to the internet.