Is CPU really based only on NAND gates, or does it optimized some gates by using transistors directly to reduce transistor count (AND gate for example)? - Quora
![programming - What could one do with a 4 BIT computer made out of discrete logic gates? - Electrical Engineering Stack Exchange programming - What could one do with a 4 BIT computer made out of discrete logic gates? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/d6hfQ.gif)
programming - What could one do with a 4 BIT computer made out of discrete logic gates? - Electrical Engineering Stack Exchange
![Intel's 8008 Arithmetic-Logic Unit Logic Gates Deconstructed, Reverse-Engineered « Adafruit Industries – Makers, hackers, artists, designers and engineers! Intel's 8008 Arithmetic-Logic Unit Logic Gates Deconstructed, Reverse-Engineered « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2017/02/alu-die-labeled.png)