A quick look at the pinouts of an Intel 8086 & 8088 processor reveals a 20 bit address bus. There was high demand for the ability to address 1 meg (2^20) of address space, and Intel delivered. However ...

Intel announced this week that, with the latest Celeron D processors, its entire CPU line from servers to desktops now support its 64-bit addressing technology. The Santa Clara, Calif. company ...

ARM has introduced its first 64-bit microprocessor architecture, ARMv8, which should enable wider use of ARM chips in servers and other enterprise equipment and turn up the competitive heat on Intel.

We’ve come to the point where we need to define an assembly language for our 4-Bit HRRG Computer, but first we need to consider certain concepts. These days, we are used to programming our computers ...

We design different kinds of System-on-Chips (SoCs/Chips) tailored for different electronic products. Let’s explore how we approach designing various electronic products like embedded microcontrollers ...

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 ...

Q: I’ve seen much news about 64-bit systems lately. Vendors claim 64 bits are faster than 32 bits, and it seems the fastest CPUs have 64-bit capability. Can I take advantage of 64-bit operations to ...

Build notes leaked on the web of a prerelease version of Mac OS X 10.6 Snow Leopard indicate that the software only supports enabling its new 64-bit kernel on certain machines, including the Xserve, ...