The evolution in computing horsepower is more of everything—first it was more gigahertz, then more cores, and on top of that, more bits for the integer registers inside the CPU. Whereas 32-bit ...

Snow Leopard's across-the-board leap to 64-bits, from the kernel to all of its bundled apps, will make more memory available and boost performance. However, Apple will also need to manage its 64-bit ...