Facebook F8 Facebook F8 Facebook F8 (pronounced ""eff eight"") is a mostly-annual conference held by Facebook, intended for developers and entrepreneurs who build products and services around the website. It is hosted in the San Francisco Bay Area, California, previously in San Francisco (until 2016) and now in San Jose, in Silicon Valley. Previous events have started with a keynote speech by Facebook founder Mark Zuckerberg, followed by various breakout sessions concentrating on specific topics. Facebook has often introduced new features, and made new announcements, at the conference. The "F8" name comes from Facebook's tradition of 8 hour hackathons. The scheduling of
Fairchild F8 was a demonstration of packing many routines into a 1K ROM. The program counter (PC) is maintained in the F3851 PSU. There is one program counter for each PSU in the system. Each PSU has a backup program counter. The PSU also contains a pointer register called a data counter, DC. The user only sees one program counter and one data counter. There are no restrictions in the F8 for how memory addresses are used. They can be either for program or data. Memory interaction has the feature of a Turing machine allowing the computer to put operands in memory