32-bit processors and operating systems, in theory, can access up to 4GB of memory. So how come Qasim Zaib’s PC, with 4GB installed, only sees 3GB? Every byte of RAM requires its own address, and the ...

Ask Ars was one of the first features of the newly born Ars Technica back in 1998. And now, as then, it's all about your questions and our community's answers. Each week, we'll dig into our bag of ...

You’ve probably seen 32-bit and 64-bit options available whenever you download an app or install a game. Your PC might even have a sticker that says it has a 64-bit ...

Ken wrote in saying he loves PCWorld, natch, and that he wants to know the difference between 32-bit and 64-bit operating systems. I have to admit this isn’t something I’ve thought about in a long ...