An elementary electronic circuit in the arithmetic logic unit (ALU) of every CPU. The half-adder does nothing more than add one bit to another. GPUs have millions of half-adder equivalents. The output ...

When it comes to understanding computers, sometimes it’s best to get a good understanding of the basics. How is data stored? How does the machine process this information? In order to answer these ...

Computers built using discrete logic chips? Seen it. Computers from individual transistors? Impressive, but it’s been done. A computer built out of electromechanical relays? Bring on the ozone! The ...