The 50 Year History of the Microprocessor as Five Technology Eras
John LeRoy Hennessy · IEEE Micro · 2021
The evolution of the microprocessor can be organized into five eras, each distinguished by common trends in the evolution of microprocessors. Most of these eras are around ten years and represent a shift from the previous era. I have had the privilege of being involved in some way for roughly 48 of the 50 years, so this is also a somewhat personal view.