[Scott Baker] is at it again and this time he has built a 4-bit single board computer based on the Intel 4004 microprocessor. In the board design [Scott] covers the CPU (both the Intel 4004 and 4040 ...

New research paper titled “FlexiCores: low footprint, high yield, field reprogrammable flexible microprocessors” from researchers at University of Illinois and PragmatIC Semiconductor. “Flexible ...

Dan Geiger has created a new learning platform which has been specifically designed to teach you how a computer works at the most fundamental level, and even allows you to program in machine language ...

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 ...

The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...

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[Agp.cooper] saw a vintage 4Kx4 bit RAM chip and decided that it needed a CPU design to match. The TTL design fits on two boards and has a functional front panel. This custom CPU project has a few ...

In 1958 the integrated circuit was developed by a young engineer at Texas Instruments named Jack St. Clair Kilby. He put together a few transistors and capacitors, linking them with a thin layer of ...

Guest author Ken Shirriff is a Silicon Valley-based computer enthusiast who enjoys reverse-engineering old chips and restoring classic equipment such as the Xerox Alto. Shirriff wrote the Arduino ...

A microprocessor is a complex, programmable integrated circuit (IC) on a single chip that can execute instructions. This generally includes CPUs found in computers but also refers to the ...

In 1958 the integrated circuit was developed by a young engineer at Texas Instruments named Jack St. Clair Kilby. He put together a few transistors and capacitors, linking them with a thin layer of ...