You are working on an older PC and your customer asks if you

You are working on an older PC, and your customer asks if you upgrade the 32-bit CPU and motherboard to 64-bit, will his 32-bit operating system work on the machine. What do you tell him?

A. You tell him that he will have to upgrade his operating system and all of his application software to 64-bit.

B. You tell him that he will have to upgrade his operating system to 64-bit but not his 32-bit application software.

C. You tell him that his operating system should work fine but not all of his 32-bit applications will work.

D. You tell him that his operating system and all of his application software will work exactly the same as it did on 32-bit hardware.

Solution

C. Ranks on memory modules share the same bus on the computer, so only one rank can be accessed by the computer at any given time. The other rank is deactivated while the first rank is accessed, and then the first rank is deactivated while the other rank is accessed.