Erik Lustig's mom called him recently in a bit of a panic. She'd been in a retail store shopping for a computer and the sales guy asked her whether she wanted a 32-bit computer or a 64-bit computer, ...

Welcome to the Big Debate (already in progress) about Intel's Itanium versus AMD's Opteron and the future of 64-bit computing. In hopes of further driving interest in its hybrid 32/64 bit technology, ...

CPUs that process 64 bits as a single unit, compared to 8, 16 or 32. Today's desktop and laptop computers are mostly 64-bit machines; however, there are countless 32-bit, 16-bit and 8-bit ...