Prof. Bruce Jacob, University of Maryland Research Areas - Jacob's current work is in the area of systems architecture for high-performance computing (solving the exascale problem), and memory systems design. He currently designs system architectures and memory-systems architectures for industry and DOE supercomputer labs.[PDF] Chapter 2 Anatomy of a computer - University of Calgary Christian Jacob Chapter Overview. Chapter 2 Anatomy of a computer. 2.1 Layers of Virtual Machines 2.2 The Register Machine Model. 2.2.1 Main components of a von Neumann computer architecture 2.2.2 CPU and RAM 2.2.3 Execution of Machine Instructions 2.2.4 Machine Language.