EDN

Building a 4-Bit Computer from the Ground Up

What we are going to do is design a simple 4-bit computer at the primitive logic gate and flip-flop level and then implement it in the technology of our choice I’ve often wondered what would happen if ...
EDN

Building a 4-Bit Computer: Relay-Based Hardware Accelerators

As you may recall, one of my current hobby projects involves “Building a 4-Bit Computer from the Ground Up.” I’m working on this project with my chum Joe Farr, who is based in the U.K. In the fullness ...
ExtremeTech

First Mover: Intel's 4-bit 4004 CPU Turns 50

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Electronic Design

Reviving Bit-slice Technology in a Programmable Fashion

The term "Bit Slicing" was once dominant in history books as a technique for constructing a processor from processor modules of smaller bit width where each of these components processes one field or ...