To find out if your graphics card is compatible with DirectX 11, visit the Windows 7 Compatibility Center. To learn more about DirectX 11 and check compatibility visit, http://windows.microsoft.com/en-us/windows7/products/fe...
Gamblers in California must be a minimum of 18 years old. If however, alcohol is served there, the age is 21 and beyond. Also check out this site: California Casinos which has a clean interface and pulls information from various sources.
If you live in Arizona, you will not be able to gamble on anything unless you are 21 years of age. Nothing, not even the lottery, is open to anyone under the age of 21. If you are beneath this age limit, you cannot safely, legally, or legitimately play the games. Arizona Online Gambling Laws.