You are reviewing the system requirements and limitations fo

You are reviewing the system requirements and limitations for different Windows operating system versions. Of the following, which are the correct upper memory limitations for 64-bit versions of these operating systems?

A. Windows 2000 Professional can use up to 8 GB of physical memory.

B. Windows XP Professional can use up to 128 GB of physical memory.

C. Windows Vista Home Basic can use up to 16 GB of physical memory.

D. Windows Vista Ultimate can use up to 128 GB of physical memory.

Solution

B. Except for starter editions, 32-bit Windows desktop operating systems can address only up to 4 GB of physical memory. Windows XP Starter Edition can use only up to 512 MB of physical memory, and Windows Vista Starter Edition can use only up to 1 GB of physical memory. Windows 7 Starter Edition can use up to 2 GB of physical memory, and all other versions of Windows 7 can use up to 4 GB.