If you are using internet on your XOOM Tablet and want to use same internet connection on your computer then you can connect your tablet with computer using USB cable and share XOOM Tablet’s internet using the following step by step guide.
Motorola XOOM USB tethering works on Windows 7, Vista and Linux
Connect your XOOM tablet with computer using USB cable
Tap “Apps” icon
Tap “Settings” icon to access Wireless & Networks settings
Tap “Wireless & networks” > Tethering & portable hotspots > USB tethering options
See also: Find XOOM MAC address and Setup Wi-Fi on XOOM tablet