The Customer Service Department Manager Is Looking to Upgrade His

Multiple Choice

The Customer Service Department manager is looking to upgrade his 32-bit processor machines with AMD Athlon 64-bit processors. The manager wants to know if his 32-bit applications (like the 32-bit Windows XP Professional) will run on the 64-bit hardware. What do you tell the manager?

A) The AMD Athlon 64-bit processor is backward compatible with 32-bit software but not 32-bit operating systems.
B) The AMD Athlon 64-bit processor is backward compatible with 32-bit operating systems but not 32-bit software.
C) The AMD Athlon 64-bit processor is not backward compatible with 32-bit operating systems or software.
D) The AMD Athlon 64-bit processor is backward compatible with 32-bit operating systems and software.