A comprehensive guide to the component systems of the PC, this book provides a foundation to the understanding of previous, current and future PC systems, and how the specification of each component of a PC affects the overall system performance. The book outlines each of the main PC processors and contrasts their performance. It also examines each of the main interface devices and shows how they integrate into the main systems. If you are an undergraduate or a professional looking for a complete understanding of the internal architecture of the PC, and how it is changing, this hook is for you. It explains how systems have evolved from the original PC, keeping its compatibility with previous systems, whilst increasing its power. It also provides an insight into how the PC will evolve in the future.