and mobile devices are expected to begin using 64-bit CPUs in the 2014-2015 time frame. A 64-bit operating system will not work in a 32-bit computer, but a 32-bit operating system will run in a 64 ...

Today's desktop and laptop computers are mostly 64-bit machines; however, there are countless 32-bit, 16-bit and 8-bit microprocessors manufactured every year (see microcontroller). A 64-bit ...