Prefer Newsweek on Google to see more of our trusted coverage when you search. 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 ...

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 ...