Which of the following operating systems supports full usage of 8GB DDR3 RAM?
A.
Windows 7 Professional x86
B.
Windows 7 Home Premium x64
C.
Windows XP Professional
D.
Windows Vista Home Premium x86
Explanation:
Reference:
http://www.tomshardware.com/answers/id-1677684/12gb-ram-installed-8gb-showingwindows-ultimate-x64.html