This third edition of the best selling text for computer organization courses takes a hardware oriented approach. Not presuming knowledge of microelectronics, the material is particularly suited to the undergraduate introductory course and for professional review. Contents: Basic Concepts. Addressing Methods and Machine Program Sequencing. Instruction Sets. Processing Units. Microprogrammed Control. Input/Output organization. Arithmetic. The Memory Subsystem. Computer Peripherals and Work Stations. Microprocessor Systems. RISC Processors. Multiprocessors. Computer communications. Appendices.