All of the new GPS have this feature available. You do not have to worry about this when purchasing a new one.
Yes you will need to purchase the GPS USB receiver separately. The USB GPS is used primarily on laptops and computers. Read more information here: http://www.bestbrandtobuy.com/usb-gps-receiver/
Your usb gps should be able to work anywhere you go. The purpose of the usb gps receiver is so that you can unplug it and take it anywhere whenever you need it.
Most laptop GPS systems are USB based. It's easier than installing an internal gps.
Yes, a gps device will usually come with one usb receiver for you to be able to charge it from various locations. but you can purcahse a usb receiver seperately.
A Garmin GPS USB cable should plug into any device that has a USB drive to plug it into, though many of these devices would not have a function to run the GPS.
Any old USB cable will do. As long as the cord can plug into the GPS unit and then plug into whatever it is, like a car adapter, with a USB port in it, then the cord will work.
On this website you can find the manual for your device, it should tell you how to install your Garmin GPS USB. https://buy.garmin.com/shop/shop.do?cID=132
One can purchase a USB GPS receiver online on the official Ebay website. Ebay has the largest selection for the cheapest price, and Ebay supports thousands of different dealers of USB receivers.
The USB cable is approximately 6 feet long.
CD duplicators used to use Firewire, but these days almost exclusively use USB connections.
Most routers do not use USB connections at all.
blug something into it