In depth but concise notes for topic 1.1.1 Structure and Function of the Processor. Sourced from numerous different textbooks and websites and condensed into a clear and easy to understand document for a guaranteed A - A*. Document includes: 1. Components of the CPU 2. Registers - special purpose registers and general purpose registers 3. Buses 4. Fetch - decode - execute cycle 5. CPU performance 6. Computer Architecture - Von Neumann, Harvard, Contemporary

This document contains all the condensed information for unit 1 of the Computer Science (OCR) A-Level. This has all the information for the structure of a processor, the FDE cycle, processor architecture, pipelining and the different registers in the CPU.