If it's Apple R&D, you can be sure they keep it under lock and key. Internal security and company secrecy is part of what they do. Hence products hidden under tarps, multiple security cards, etc etc...
That being said, I would say they've built both their CS and EE capabilities to the equal of any other company in the world. Custom silicon, compiler tech in llvm/clang/nitro, the whole OS related stuff, etc.
That being said, I would say they've built both their CS and EE capabilities to the equal of any other company in the world. Custom silicon, compiler tech in llvm/clang/nitro, the whole OS related stuff, etc.