- Reverse engineering the ARM1, ancestor of the iPhone’s processor (righto.com)
Almost every smartphone uses a processor based on the ARM1 chip created in 1985. The Visual ARM1 simulator shows what happens inside the ARM1 chip as it runs; the result (below) is fascinating but mysterious. In this article, I reverse engineer key parts of the chip and explain how they work, bridging the gap between the puzzling flashing lines in the simulator and what the chip is actually doing. I describe the overall structure of the chip and then descend to the individual transistors, showing how they are built out of silicon and work together to store and process data. After reading this article, you can look at the chip’s circuits and understand the data they store.
- Beyoncé (Wikipedia)
Beyoncé Giselle Knowles-Carter (/biˈɒnseɪ/ bee-ON-say; née Knowles; born September 4, 1981) is an American singer, songwriter, and businesswoman. Nicknamed “Queen Bey”, she is regarded as a prominent cultural figure of the 21st century. Throughout her two-decade career, Beyoncé has been recognized for her distinctive vocal range and live performances. Rolling Stone named her the world’s greatest living entertainer, and one of the greatest vocalists of all time.